Wild plant seed storage at Neolithic C atalh oy uk East, Turkey
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Veget Hist Archaeobot (2007) 16: 467–479 DOI 10.1007/s00334-006-0069-3 ORIGINAL ARTICLE Andrew Fairbairn · Danièle Martinoli · Ann Butler · Gordon Hillman Wild plant seed storage at Neolithic Çatalhöyük East, Turkey Received: 4 October 2004 / Accepted: 24 May 2006 / Published online: 5 August 2006 C Springer-Verlag 2006 Abstract Full analysis of eight seed samples collected crops with their origins in the late Pleistocene and early in the 1960’s excavations at Neolithic Çatalhöyük East, Holocene of southwest Asia, which was developed and ex- Turkey, is presented. Detailed investigation of the com- panded over subsequent millennia with introductions from position and context of the samples suggests that the Ne- Europe, Asia, the Americas and Africa (see Zohary and olithic population collected, processed and stored seeds Hopf 2000). Most of the major Old World crops, such as from Capsella sp. and Descurainia sp. (wild crucifers) wheat, barley and legume species (among several others), for food use. In addition seeds of Vicia/Lathyrus sp. are found over wide geographical ranges and the general (wild vetch), Helianthemum spp. and Taeniatherum caput- chronology of their introduction and/or development is in- medusae mixed with Eremopyrum type (grasses) were also creasingly well understood as a result of archaeobotanical found, some of which may have been used for food or other research. Archaeobotany has also provided examples of purposes. The analysis demonstrates that wild seed ex- now rare seed crops that were formerly common, such as ploitation was a regular part of subsistence practice along- the domesticated naked six-row barley (Hordeum vulgare side the economic staple of crop production, and again var. nudum) and others, such as fat hen (Chenopodium al- demonstrates how diverse plant use practices were at the bum – see Stokes and Rowley-Conwy 2002), which were site. utilized in particular times and places, but were neither extensively used nor fully domesticated, if cultivated at all. Keywords Archaeobotany . Neolithic . Çatal Hüyük . This paper presents an archaeological example of the col- Storage . Wild plants lection and storage of seed from an unusual range of plants during the seventh millennium cal b.c. at Çatalhöyük East, near Konya in central Turkey (Fig. 1, inset). Excavated by James Mellaart in the 1960’s (Mellaart 1962, 1963, Introduction 1964, 1966), the plant material presented here (hereafter the “Mellaart Archive”) was part of a group of samples referred Cultivation of seed crops is one of the foundations of food to in a preliminary report (Helbæk 1964) and subsequently production in the Old World. Modern Old World crop seed mentioned in various other publications (e.g. Helbæk 1970; production is based on a suite of cereal, legume and oil Mellaart 1964, 1967), but never fully studied. In those accounts, a variety of non-domesticated seed types were Communicated by S. Jacomet described, including the crucifers Capsella bursa-pastoris and Erysimum sisymbrioides, the grasses Eremopyrum and A. Fairbairn () School of Social Science, University of Taeniatherum caput-medusae, a wild vetch identified as Queensland, Vicia noeana and a sample of unidentified seeds (see Michie Building, Brisbane, QLD 4072, Australia Fairbairn et al. 2002, Table 1 for a summary). This pa- e-mail: a.fairbairn@uq.edu.au per details a re-analysis of these seed samples which aimed D. Martinoli to: a) verify the identity of the species, and; b) determine Institute for Prehistory and Archaeological Science IPAS, Basel whether the samples really were stores of deliberately col- University, lected and processed seeds, or were derived from other pro- Spalenring 145, cesses. Impetus to the project was given by the completion 4055 Basel, Switzerland of the first phase of archaeobotanical research at the ongo- A. Butler · G. Hillman ing Çatalhöyük excavations (Fairbairn et al. 2002, 2005) Institute of Archaeology, University College London, and continuing debate about the nature of the site’s plant 31-34 Gordon Square, London, WC1H 0PY, UK economy (see Asouti and Fairbairn 2002; Fairbairn 2005).
468 Fig. 2 Plan of buildings in Level III, Area A at Çatalhöyük East with buildings containing seed samples shaded (based on Hodder 1996, Fig. 1.10) sisymbrioides, were recovered from level VI (Fig. 1). Two came from the same storage bin (bin 3) in building EVI 17 (samples 24 and 33), a “granary” lying between Fig. 1 Plan of buildings in Level VIB, Area E at Çatalhöyük East shrines EVI 7 and EVI 14 (NB this was incorrectly with buildings containing seed samples shaded, inset shows Turkey labelled as 16 on Hodder’s 1996 re-draft of the original with site location marked (based on Hodder 1996, Fig. 1.14) level VI plan and has been corrected in Fig. 1). Sample 57 was recovered from the “Leopard Shrine” EVI 44 and is one of the “numerous offerings of grain and Materials and methods crucifer seeds” found in front of the leopard relief (see Mellaart 1964, p 45). A fourth crucifer sample (23) The Mellaart Archive consisted of 100 samples of archae- came from shrine EVI 1, a building containing storage ological material, including 48 samples of grain from 39 bins and a rich range of artefacts and crop seed finds. archaeological contexts such as discrete building, storage Two samples of grass seeds were recovered from burnt structure or burial, 11 samples of large fruits such as Celtis occupation horizons, one in level III (house AIII 4, sample sp. and Quercus sp. from eight contexts, nine samples of 49) and the other in level VI (house EVI 32, sample cultivated legumes from eight contexts, eight samples of 55). These are the “mixture of spikes. . .” mentioned by wild plant seeds from seven contexts and a single sample of Helbæk (1964, 122). Two further seed concentrations tubers from one of the two local varieties of Bolboschoenus were recovered from level VI: one a concentration of maritimus (clubrush) – for full details see Fairbairn et al. non-domesticated legumes from house EVI 34 (sample (forthcoming). All of the samples were collected during 71) and a sample of unidentified seeds from shrine AVI the 1961, 1962 and 1963 excavation seasons from levels 1 (sample 52 – NB this building was later re-numbered II to VI (inclusive) in excavation areas A and E, dated to as EVI 61 (Mellaart 1964 and publications after this date) between approximately 6200 and 6600 cal b.c. (Cessford and is labelled so in Fig. 1). Sample 52 was one of six seed 2001). Widespread house burning had charred plant seeds and fruit samples recovered from shrine EVI 61, a richly which were held in storage structures, house fills and even adorned building (Mellaart 1963, Pl. VI and VIIb) which burial fills. So intense were the fires in some areas that plant contained a rich assemblage of artefacts and archaeobotan- remains were charred in burial fills beneath house floors, ical remains in its “L-shaped storeroom” (Mellaart 1964, p along with human remains and cloth wrappings (Helbæk 52), including baskets and wooden dishes (Mellaart 1963, 1963; Mellaart 1963). All eight wild plant seed samples Pl. VIIa). It is assumed that sample 52 came from that described here were recovered from building occupation room, though there is no specific record of its presence. deposits in level VI, area E (in the following EVI; Fig. 1) All samples had their weights and volumes measured and and level III, area A (in the following AIII; Fig. 2), including were then sieved free of dust before identification work be- unadorned “houses” and buildings demonstrating elaborate gan (the mesh sizes used were 4, 2, 1, 0.5 and 0.25 mm). To- wall art, which Mellaart labelled “shrines.” The archaeo- tal charred weights given in Table 1 do not include the dust logical context from which the samples were recovered has been reconstructed entirely on the basis of original sample Table 1 Seed abundance in samples from the Mellaart Archive, labels and published information from Mellaart’s excava- Çatalhöyük East. Stated figures represent rounding up of sub-samples tion reports (Mellaart 1962, 1963, 1964, 1966, 1967), as and estimates based on conversion of sample weights (for details see other documentation was lacking. text); ∗ whole fruitstone equivalents calculated from weights using Four samples of Cruciferae seeds, identified by Hel- conversion figures of 0.021 g for Pistacia and 0.9 g for Cerasus. bæk (1964) as Capsella bursa-pastoris and Erysimum Nomenclature follows Davis 1965–2000
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470 and other non-botanical fragments removed during sorting. species and differences in surface preservation. Scanning For estimation of sample composition, sub-samples of at Electron Microscopy (SEM) proved more useful. Speci- least 500 seeds were taken with the aid of a geological mens from each of the four ancient seed samples were in- sample splitter (riffle-box). In the crucifer and grass seed vestigated along with modern seed specimens from avail- samples, where the huge number of seeds made counting able representatives of the four genera, namely Capsella very time consuming, the total number of seeds was cal- bursa-pastoris, Descurainia sophia, Erysimum repandum, culated by converting a weight into an estimated number Sisymbrium altissimum, S. confertum, S. irio, S. loeselii, S. of whole seeds using a whole seed equivalent weight (see officinale and S. orientale. The multiple species of Sisym- below). brium were included to investigate intra-generic variability Identifications used seed morphology, internal anatomy in one of the target genera. (Martin 1946) and surface features visible under light mi- Seeds of the four genera were distinguishable using SEM croscopy in comparison to modern seed reference speci- observable criteria as follows: mens. Scanning electron microscopy was used to describe – Capsella sp. – testa covered with a thick-walled retic- characters of the legume and crucifer seeds. Comparative ulum of irregular form, overlain by a layer of thinner- seed collections (Institute of Archaeology, UCL and IPAS, walled polygonal cells from the centre of which regularly University of Basel) and published identification notes (Van spaced papillae projected (Fig. 3.3–4). Zeist and Bakker-Heeres 1984, 1985) were used to as- – Descurainia sp. – testa covered with rectangular to sign taxonomic status. Nomenclature follows the Flora of polygonal cells forming regular longitudinal files along Turkey and east Aegean islands (Davis 1967–2000). Note the edges of the seed and a less regular reticulum towards that the central Anatolian flora is very diverse, relatively the centre of the lateral walls (Fig. 3.5–6). Also present in poorly known and reference collections are inevitably in- some specimens were patches of regularly spaced papil- complete. This is reflected in the use of type or genus-level lae and a thin, irregular upper reticulum (Fig. 3.7). identifications below. – Erysimum sp. – distinctive testa covered with longitu- Sample composition was considered an important indi- dinal files of closely spaced, broad papillae (Fig. 3.8) cator of how the assemblages were formed, so both seed tipped with a wart-like projection and surrounded by a and non-seed sample components were recovered, classi- low reticulum (Fig. 4.1). fied and quantified via weighing or counting where rel- – Sisymbrium spp. – all six species of Sisymbrium dif- evant. It was assumed that processed seed stores would fered slightly in shape and size, but all had similar testa contain, as with cereal stores (Hillman 1984), mainly the morphology, here demonstrated with photomicrographs seeds of one or two taxa mixed with a relatively small quan- of S. officinale. The seeds were covered with longitudi- tity of other components such as chaff and seeds of other nal lines of flattened, broad, oval papillae (Fig. 4.2), each species. with a slightly thickened rim and a central broad-rimmed disc (Fig. 4.3). Results (Table 1) Low-powered light microscopy showed that two main seed types were present in the samples. One had a smooth Cruciferae dominated samples 23, 24, 33 and 57 testa covered in longitudinal files of cells and was present in all four samples, while the other had visible papillae Four samples contained almost pure assemblages of small arranged across the surface and was found only in sample laterally compressed seeds (L: 0.5–0.9, B: 0.3–0.5 mm), 57. SEM work on sub-samples of ancient seeds confirmed mostly elliptic, but also with occasional ovate and obovate the smooth type to be Descurainia sp., with the papillose specimens (following shape conventions used by Berggren seeds Capsella sp., consistent with the tentative identifica- 1969, see Fig. 3.1). Where visible, the seeds had a clearly tion made on the basis of seed morphology. Many seeds bent embryo (following Martin 1946), and in many speci- remained unidentifiable, even with use of the SEM, having mens the radicle was visible in lateral view running along lost their diagnostic characteristics (Fig. 4.4). one of the long edges of each seed. The radicle was equal in Sample 23 from building EVI 1 contained a mass of length to the seed or slightly longer (Fig. 3.1–2), compris- Descurainia sp. seeds (Fig. 4.5). The seeds were preserved ing about 1/3 of its breadth. The cotyledons were folded with a relatively large quantity of cereal grain, mainly from back onto the radicle and were clearly visible in lateral sec- emmer wheat, with some hulled barley. Chaff and straw tion, showing an incumbent or oblique arrangement (Martin 1946). Fig. 3 1 Cruciferae seeds from Mellaart Archive sample 24; scale The seeds were most similar in shape, size and internal bar = 2 mm; 2 specimens from Mellaart Archive sample 24 below anatomy to those of a small group of genera in the Cru- modern seeds of Descurainia sophia; scale bar = 1 mm; 3 Scanning ciferae, including: Erysimum, Sisymbrium, Descurainia electron micrographs of modern Capsella bursa-pastoris seed; scale bar = 200 µm and 4 testa; scale bar = 50 µm; 5 modern Descurainia and Capsella, all of which are represented in central Turkey. sophia seed; scale bar = 200 µm, 6 testa, showing reticulate pat- Of those four genera Descurainia (Fig. 3.2) and Capsella tern (above) and immature, ladder-like pattern (below); scale bar = were closest in shape and size, but convincing separation 50 µm; 7 testa, showing patch of papillae; scale bar = 50 µm; of the taxa using light microscopy was not possible as 8 modern Erysimum repandum seed showing longitudinal files of papillae; scale bar = 500 µm (all photographs by A.Fairbairn) there was considerable morphological overlap between the
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473 components were also preserved along with a few seeds of carried at a shallow angle, almost horizontal to the dorsal weedy taxa and some fragments of Pistacia sp. (terebinth) surface (Fig. 5.3 B and D), which is usually smooth. stones. Samples 24 and 33, from bin 3 in Building EVI Accompanying the seeds were large numbers of robust 17, also contained only Descurainia sp. seeds (Fig. 4.6–7) T. caput-medusae spikelet bases (Fig. 5.4 A and B), which with very few impurities. Using a thousand seed weight were similar to modern reference specimens (Fig. 5.4 C of 0.0428 g, sample 23 (114.11 g of crucifer seeds) con- and D). Each node supported two spikelets containing a tained an estimated 2,666,121 seeds, sample 24 (110.49g) single grain. Four robust glumes, which naturally break off an estimated 2,581,542 seeds and sample 33 (353.25 g) an near the base in modern plant material (Fig. 5.4 C and D, estimated 8,253,505 seeds. labelled “g”), leave four glume bases (Fig. 5.4 A and B, Sample 57 from EVI 44, Mellaart’s “Leopard Shrine,” labelled “g”), the surface of which, where preserved well, contained 95% Capsella sp. seeds (Figs. 4.8 and 5.1), is covered with conspicuous papillae (see especially 5,4 based on a count of a 1.56% sub-sample, mixed with a B). The rachis internode (Fig. 5.4, labelled “r”) is placed smaller quantity of Descurainia sp. seeds and other cru- centrally and is rectangular to trapezoidal in cross-section cifers that defied genus-level identification (Fig. 4.4). The (Fig. 5.4 B and D). ancient charred Capsella sp. seeds showed the same pat- Accompanying the seeds of T. caput-medusae in sam- tern of small, longitudinally arranged, dispersed papillae ple 55, were a large number of Eremopyrum type seeds (Fig. 4.8) and a double layer of overlapping cells as ob- (Fig. 5.5), a morphotype defined by Van Zeist and Bakker served in modern reference specimens (Fig. 5.1, compare Heeres (1985, p 221 and Fig. 25:4). The caryopses (L: 2.5– with Fig. 3.3), though charring caused some distortion of 3.2 mm) are lanceolate in dorsal view (Fig. 5.5 A) with the the testa. This sample was more diverse than the other cru- broadest point towards the embryo end of the grain. The cifer samples, containing a large quantity of cereal grain and embryo is large and at a 20–30 degree angle from the hor- much indeterminate charred matter (7.38% of the charred izontal (Fig. 5.5 B). The grain tapers towards the rounded weight), within the mass of crucifer seeds (87.33% of the apex and carries distinctive strong longitudinal compres- charred weight and an estimated 747,360 specimens). Ce- sion marks, which give the seed a distinctive pentangular real grain remains were mostly fragmented and unidentifi- cross-section (Fig. 5.5 D). The most distinctive of these able, though Hordeum vulgare var. nudum (naked barley) runs from the apex of the embryo along the centre of the was identified, including one embedded in a solid “cake” dorsal surface (Fig. 5.5 A). The ventral furrow groove con- of crucifer seed (Fig. 5.2). Also identified were grains of sists either only of a ridge along the centre of the ventral Triticum dicoccum (emmer wheat), glume wheat glume- surface or may rest in a ‘V’-shaped depression (Fig. 5.4 bases and seeds of Vicia ervilia (bitter vetch). C and D), depending on preservation. Accompanying the seeds in sample 25 was a quantity of spikelet fork remains, identified as cf. Eremopyrum type (Fig. 5.6). Grass dominated samples 49 and 55 A 25% fraction of each sample was analysed to pro- vide an accurate estimate of overall sample composition. Samples 49 and 55, from levels III and VI respectively, In both cases the samples were dominated by T. caput- were composed mainly of wild grass seeds. The dominant medusae seeds, most of which were highly fragmented. species in both was Taeniatherum caput-medusae (medusa- Weight of seed fragments was used to provide an esti- head grass, Fig. 5.3), a species with distinctive caryopses mate of the minimum number of individuals using the seed and spike nodes commonly found in the steppe, wasteland weight of 0.0011 g established by weighing 15 whole seed and arable weed flora of central Anatolia (Zohary 1973), specimens. In sample 55 this produced an estimated total including around Çatalhöyük today. Its large caryopses (L: of 14,353 seeds and in sample 49 a total of 10,624 seeds. In 2–5 mm; B: 0.8–1.1 mm, T: 0.3–0.6 mm) were narrowly sample 55, T. caput-medusae seeds were accompanied by elliptic (Fig. 5.3 A), with lateral grooves running the length a total of 1896 Eremopyrum type seeds, again calculated of the grain (Fig. 5.3 B and D). The large embryo was on the basis of weight (1 seed = 0.0004 g on the basis of 12 whole seeds), as well as 20 seeds of other taxa. In sample 49, seeds of a much larger range of taxa accompa- Fig. 4 1 Scanning electron micrographs of papillae with surrounding reticulum in modern Erysimum repandum testa; scale bar = 50 µm; nied T. caput-medusae, including Bromus sp., small-seeded 2 modern Sisymbrium officinale seed, showing longitudinal files of grasses, Cyperaceae and small-seeded Cruciferae, includ- flattened papillae; scale bar = 200 µm; 3 testa, showing detail ing Lepidium sp.. Small quantities of cereal grain, cereal of papillae; scale bar = 50 µm; 4 unidentifiable Cruciferae seed chaff and nutshell were also preserved in both samples. A from Mellaart Archive sample 57, showing heavily eroded surface, but survival of some testa morphology towards dorsal and ventral ratio of 6.9 seeds to 1 chaff element was calculated for T. surfaces; scale bar = 200 µm; 5 Descurainia sp. seed from Mellaart caput-medusae and 9.1 seeds to 1 chaff element for Er- Archive sample 23, showing survival of testa morphology at seed emopyrum type seeds in sample 55, after converting the apex; scale bar = 100 µm; 6 Descurainia sp. seed from Mellaart number of spikelet bases and glumes to a grain equivalent Archive sample 33, showing eroded testa morphology; scale bar = figure. In sample 49, 49.2 seeds were found for every T. 50 µm; 7 Descurainia sp. seed from Mellaart Archive sample 24; scale bar = 100 µm; 8 Capsella sp. seed, part of a seed clump from caput-medusae chaff element. Neither of the samples con- Mellaart Archive sample 57; scale bar = 200 µm (all photographs tained the ratio of seeds to chaff expected if spikes had been by A.Fairbairn) recovered, as described by Helbæk (see above).
474 Fig. 5 1 Scanning electron micrographs of Capsella sp. seed, part of a seed clump from Mellaart Archive sample 57; scale bar = 50 µm; 2 Hordeum vulgare var. nudum (naked barley) grain preserved in a clump of charred Cruciferae seed, mainly Descurainia type, from Mellaart Archive sample 57; scale bar = 1 mm; 3 Composite image of Taeniatherum caput-medusae seeds from Mellaart Archive sample 55, showing diagnostic traits in dorsal A, lateral B, ventral C and basal D views; scale bar = 1 mm; 4 T. caput-medusae spikelet bases from Mellaart Archive sample 55 A, B and modern reference specimens C, D: g = glume insertion; r = rachis; scale bar = 500 µm; 5 Composite image of Eremopyrum type seeds from Mellaart Archive sample 55, showing diagnostic traits in dorsal A, lateral B, ventral C and basal D views; scale bar = 500 µm; 6 cf. Eremopyrum type spikelet fork from Mellaart Archive sample 55; scale bar = 500 µm; 7 Lathyrus/Vicia sp. seed from Mellaart Archive sample 71 showing typical angular form; scale bar = 2 mm; 8 Helianthemum spp. seeds from Mellaart Archive sample 52, showing H. ledifolium type (lower left) and H. salicifolium type (upper left and right); scale bar = 1 mm (photographs by A. Fairbairn; 7 by A. Butler) Lathyrus/Vicia sp. sample 71 of other crop seed throughout level VI. The identification was based upon comparison with reference specimens of Helbæk (1964) reported the occurrence of two pure deposits this species, which is common in Anatolia, and was seen of the broad-podded vetch, Vicia noeana (Leguminosae), a growing near the site at the time of excavation (Helbæk wild species that he also found as a contaminant in stores 1964, p 122). Sample 71, a small bag of wild vetch seed,
475 was the only possible sample fitting the description in the weight (Table 1), the remainder comprising a mixture of Mellaart Archive. cereal grain and chaff fragments, wood charcoals, nutshell Identification of legume seeds is difficult, due in part to and unidentifiable charred seed fragments (41.35% of total incomplete collections of reference material, but equally charred weight). Many of the latter resembled fragmented to the interspecific and even intergeneric overlapping char- Helianthemum seeds, but secure identification was impos- acteristics of legume seed morphology and micromorphol- sible because of the poor state of preservation. Though ogy. In the vetch family, secure identifications to species the level of impurities in this sample was greater than the level are difficult and it is often impossible to distinguish other seed samples described here (Table 1), Helianthe- between the seeds of the genera Vicia and Lathyrus. This is mum spp. seeds dominated the sample composition and made more difficult in charred ancient legume seeds if they the quantity identified probably underestimates the origi- lose their testa and hilum, like all of the over 100 specimens nal number present in the deposit. Capsule fragments were in sample 71 (Table 1), and most in the Mellaart Archive. lacking. In this case, identification criteria were restricted to seed shape, seed size, the approximate shape and length of the hilum relative to the seed circumference and the distance Discussion (Table 2) from the edge of the hilum to the lens relative to the whole circumference. In this case all of the seeds were distinctly Taphonomy angular (Fig. 5.7), some sub-rounded to sub-rectangular, and they varied in size from 2.1 to 2.8 mm, with a mean of We have little doubt that all seed samples arrived at the site 0.6 mm from the lens to the hilum rim. Lacking preserved as a result of human agency, especially samples 24 and 33, hilums, these characters placed the specimens from sample which were found in a burnt clay storage bin, were large in 71, and many others mixed in crop stores, within the genera size and of great purity, the latter itself suggestive of fully Lathyrus sp. or Vicia sp. As Helbæk found, the overall mor- processed seed. Other samples had less secure contextual phology matched well with modern seeds of Vicia noeana. origin and were less pure in composition and some, such as However, in this species, together with fellow-members of 23 with a large quantity of burnt mudbrick, perhaps include Vicia Section Hyperchusa, the lens is situated unusually on contaminants from other stores displaced when buildings the seed circumference opposite the hilum (Kupicha 1976). were burnt and collapsed. Sample 23 was associated with Amongst the seeds from Çatalhöyük, none have been found numerous grain and acorn samples, plus fire installations of this form, thus it must be concluded that the undoubt- and artefacts, and 57 was almost certainly from a discrete edly wild type pulse seed found in sample 71 and elsewhere deposit within an occupation layer, if Mellaart’s descrip- cannot be Vicia noeana. In the absence of further diagnos- tion is taken literally (see above). It also contained solid tic traits the identification of the unknown pulse remains seed “cakes” (Fig. 5.2), which could only have formed if Lathyrus/Vicia sp. the seeds were charred together within a confined space, perhaps suggesting that the seeds were within a bag or other container which did not survive charring intact. Helianthemum spp. dominated sample 52 Other samples were recovered from named contexts and are almost certainly from occupation horizons within Sample 52 was the bag of seeds Helbæk left unidentified. buildings. It contained a large number of Helianthemum spp. (fam- One plausible alternative to a human source is caching ily Cistaceae) seeds (Fig. 5.8). Helianthemum spp. seeds of seed by granivorous ants or rodents, such as pests liv- have been described elsewhere (Van Zeist and Bakker- ing in the houses, which seems unlikely for the contexts Heeres 1985) and those from sample 52 matched closely from which the samples were derived, all in occupation both this description and modern reference specimens. horizons. In addition, the seed caches contained chaff and They were drop-shaped (L: 1–1.2 mm; B: ca. 1 mm) other elements, especially the grass seeds, which are un- with an attenuated apex and a circular hilum scar at the likely in animal hoards, usually composed of seed. An- base. Both the smooth surfaced H. ledifolium (L.) Miller other source is introduction of seeds into the site strata by type (Fig. 5.8, lower left) and faceted H. salicifolium (L.) the burrowing creatures, such as the Spermophilus xantho- Miller type (Fig. 5.8, upper left and right) were present prymnus Beckett (Anatolian ground squirrel), which lives and these types were defined by Van Zeist and Bakker- at the site today. Introduction by burrowing rodents of Heeres (1985), though no attempt was made to quan- charred seeds so deep into the stratigraphy of an aban- tify them separately as they have a similar ecology and doned site seems unlikely. More likely would be incor- such separation would provide little additional information poration of uncharred seed caches which were then burnt about ecologies or past human practices. Both Helianthe- during house destruction or by fires in later houses built mum species are commonly found growing together in low over the deposition site. While charring of the upper swards in a variety of waste places, roadsides and arable layers of human burials deposited beneath houses floors fields near Çatalhöyük today. 1754 seeds were identified clearly took place (Mellaart 1967), charring of seeds more from a 3.125% (1/32nd) sub-sample, making an estimated deeply buried in occupation deposits by later fires seems total sample size of 56,128 seeds. Identified Helianthemum unlikely. spp. seed comprised 53.12% of the total charred sample
476 Seed source, collection and processing legume remains and the composition of at least two sam- ples, that all of the seeds derived from crop weeds or plants Botanical and archaeobotanical observations make it clear of extensive disturbed areas surrounding the site’s buildings that all identified taxa have been common in the Konya and communications routes. Certainly all are encouraged plain for millennia. All are commonly found in the arable by human activity and often form dense stands in arable autumn sown fields and waste places of the Çatalhöyük fields and waste areas without the need for cultivation. area today (author’s observations) and thrive on the fine- Collection could have been done during crop-processing, grained, drained alluvial soils that feed the Konya Basin’s as suggested above for one crucifer and grass sample, or contemporary agricultural production. All are also common during other collection periods. Given the large volume of elements of the natural steppe flora (Zohary 1973). All of crucifer seed preserved, it is possible that they were cul- the taxa were also common in crop stores and other samples tivated, perhaps in tandem with cereal crops (for a recent (30–60% presence) from recent excavations at Çatalhöyük example see Geleta et al. 2002), but proof to confirm this (Fairbairn et al. 2002, Table 4) and in the Mellaart Archive remains lacking. Small-seeded crucifers were clearly an crop stores (Fairbairn et al. forthcoming). Clumps of Sisym- important and valued resource at Çatalhöyük, as confirmed brium type seeds were also present in the lentil store from by recent finds of stored seed in newly excavated burnt Building 1 (Fairbairn et al. 2005). [It should be noted that buildings (Bogaard et al. 2005). the Sisymbrium type identified in previous publications (Fairbairn et al. 2002, 2005) was identified by low pow- Potential uses ered microscopy and, given the present study, could include species of Sisymbrium, Descurainia and Erysimum.] There seems little doubt that the wild crucifer seed was a All eight samples contained an overwhelming abundance deliberately targeted resource at Çatalhöyük, and the most of seeds from one or two taxa, mixed with a small quan- obvious use is as an oil source, as discussed by Helbæk tity of other botanical components. Even where purity is (1964, 122), though they may also have been used as a considered low (see Table 2), the samples contain a great flavouring (Townsend and Guest 1980). While crucifer abundance of the dominant seed types. Crop processing leaves are commonly collected today for salad in central sequences produce a range of seed rich products and by- Anatolia (Ertuğ-Yaraş 1997), seed gathering is unknown products (see Hillman 1984; Jones 1984) and the composi- there (Fusun Ertuğ, pers. comm.), but has been reported in tion of most samples described here is exactly what would western Iran (Richard Hubbard, pers. comm.) and several be expected if they were derived from gathered, stored and wild plant seeds have been exploited for their oils in both fully processed seed – namely dominated by one seed type ethnobotanical and archaeological accounts (Yazıcıoğlu with other components present in small quantities. Only et al. 1978; Rosenberg et al. 1995). Cruciferous taxa samples 23 and 49 contained large quantities of compo- (Brassica and Sinapis) have provided oil, flavourings and nents outside the dominant seed types (Table 1). Sample leaves for millennia and are common archaeological finds 23 contained a relatively large quantity of grain and chaff, (Zohary and Hopf 2000). At 10th Millennium b.p. Jerf el mainly from emmer wheat where identifiable. Many of Ahmar in Syria, cakes of ground Brassica/Sinapis seed these grains were small, perhaps indicating that the sample were found in a kitchen, providing the earliest certain came in part from a fine-sieving crop processing by-product evidence for deliberate collection and probable use as food (Hillman 1984, Table 1), with the crucifer seed contributed of cruciferous plant seeds in the region (Willcox 2002). by larger fruits that had shattered during processing. An The use of Descurainia itself is known from later contexts alternative is that the cereal grain was mixed with the cru- in late Neolithic contexts in Hornstaad-Hörnle, Germany cifer during burning and collapse of the building. Sample (Schlichtherle 1981; Maier 2001) and stored seed of a sim- 49, containing largely grassy weeds mixed with smaller ilar, as yet unidentified, crucifer was reported from Sabir, weed seeds, may have derived from “hand sortings” of a Yemen dated to ca. 3000 b.p. (D. de Moulins, pers. comm.). grain crop in the final stages of processing before use or While crucifer seed has an unambiguous archaeobotani- storage – note that the stored grain at Çatalhöyük con- cal record at Çatalhöyük and ethnographic/ archaeobotani- tained very few weed seeds and may have been picked free cal parallels for how it was used, the status of the other seed of weeds before storage. A similar source could explain concentrations is much less certain. At face value, grass the wild legume seeds. In both cases, perhaps small piles seed sample 55 is a possible processed seed store, though its of seeds derived from crop processing were burnt as they context does not allow unambiguous interpretation in this were left as fire swept through the buildings. Grass sample way. As with grass seed sample 49, which has a much more 55 may have also been produced during grain cleaning, diverse composition, the seeds may be derived from crop though it contained very few contaminants, much like sam- processing and simply charred as they awaited disposal or ple 52 (Helianthemum), all of which could have derived were in fact being stored for some other use. Ethnography from mixing during burning. is silent on their use as food or for other reasons. They were We have little doubt that all of the sample dominants were suggested as possible adornments (Helbæk 1964, p 122), seeds of wild plants; they were morphologically identical to an interpretation that for T. caput-medusae seems unlikely those in our reference collections and showed no evidence given its habit of freely shedding spikelets once picked. for domestication. It is probable, given the plant species in- Dehusking would have been required if used for food, volved, the constant association of the seeds with cereal and a possibility as both grow in dense swards and provide
477 Table 2 Summary of sample context, major components and interpretation by level and building Sample Level Building Context Main component(s) Seed purity Interpretation 49 AIII 4 Occupation deposit Taeniatherum Low Hand sortings/processed seed? caput-medusae seed 23 EVI 1∗ Occupation deposit with Descurainia sp. seed Moderate Processed store ? in use or many other seed finds displaced derived from crop processing 24 EVI 17∗ Clay bin 3 Descurainia sp. seed Pure Processed store awaiting use 33 EVI 17∗ Clay bin 3 Descurainia sp. seed Pure Processed store awaiting use 55 EVI 32 Occupation deposit 88% T. caput-medusae High Processed seed? 12% Eremopyrum seed 71 EVI 34 Occupation deposit Helbæk’s Vicia noeana High Processed seed? 57 EVI 44∗ Found in front of leopard 95% Capsella sp. and High Processed store used as food relief with other finds 5% Descurainia sp. or offering? seed 52 AVI ( = EVI) 1 ( = 61)∗ Found in L-shaped room Helianthemum spp. Moderate Possible displaced store? with many other plant finds seed ∗ shrine or building associated with shrine potentially abundant and nutritious food sources, though possible adornment. For example, crucifer sample 57 came with the widespread presence of cereals it remains difficult from the Leopard Shrine (E VI 44) where Mellaart recorded to understand why such food would be necessary. Hillman that crucifers were placed as offerings before the Leopard has given some details of such possible processing proce- wall relief (see Mellaart 1964, pp 42–45). Crucifer seed dures for similar grasses in Syria (Moore et al. 2000, p finds all came from "shrines," that is heavily decorated 354), and while a use for food is possible at Çatalhöyük, buildings, as did the single occurrence in recent excava- it cannot be proved with any certainty and confirmation tions (Bogaard et al. 2005), perhaps indicating a sacred or awaits further finds from ongoing excavations. ritual value for this plant. The Helianthemum seeds may The composition of the Helianthemum seed sample also also have had a value independent of nutrition or taste. points to processing of a pure seed assemblage by human action, and there is little direct compositional evidence that the sample is derived from crop processing activities. Ana- Conclusions tolia also has a rich ethnobotany (Ertuğ-Yaraş 1997; Sezik et al. 2001), but, as with the wild grasses, Heliantheumum Wild seed collection and use at Çatalhöyük was recorded species are absent from it. It may have been a food, oil, in seven different buildings from two occupation levels flavouring or medicine; the find remains a possible utilized containing at least two taxa (the crucifers), if not six. We plant, but again one that is difficult to confirm. have no doubt that crucifers were a valued and deliberately Both the immature pods and seeds of wild legumes are collected crop, processed in some cases during crop commonly picked and consumed as casual field snacks in processing activities. Seed collection in Level VI, where southwest Asia (Post 1896, p 293; Fairbairn, personal ob- it is best represented, was undertaken by a community servations in Turkey and Syria), but collection of mature which had been farming for at least 800 radiocarbon years. seed for storage is not seen in the ethnobotany of the region. Oil production is the most probable daily use, but the Seeds of many Vicia and Lathyrus species, both wild and plants may also have been used as a spice and had ritual domesticated, are toxic when fully ripe, but as a small part connotations. Recent work has shown the presence of of a generalist diet they may not represent a health hazard. similar crucifer seed deposits in at least one other building Consumption in large quantities requires detoxification, a (Bogaard et al. 2005). Crucifer use was thus a widespread process that has not deterred the use of toxic legumes as and long-term practice and the context of finds indicates food such as Vicia ervilia, sometimes even as staples, as it co-occurred with the use of domesticated crops and exemplified by the consumption of Lathyrus sativus L. some fruits and nuts. When compared to the other suite of (grasspea) (Tekle-Hainamot et al.1995). While the seeds utilized crops, the crucifers contribute a rare source of oil, from sample 71 may have been used as foodstuffs, there along with almonds, stores of which have been found in the is no evidence that they were cultivated at Çatalhöyük or Mellaart Archive (Fairbairn et al. 2002) and in recent exca- represent a previously unknown crop. Wild legumes often vations (Bogaard et al. 2005) and which also may have left make dense stands, particularly in those species that spread processing residues (Fairbairn et al. 2005). The role and use with tillers, making gathering from the wild a simple task. of other seeds remains open to speculation and while the This account has largely focused on use and value of collection of grass seed for food or other uses is debatable, seeds as foodstuffs, but other uses are possible, as recog- the Helianthemum and legume seed assemblages are more nised by Helbæk when he interpreted the grass seeds as convincing if obscure resources. However they were used,
478 the evidence described here shows that the Çatalhöyük vironments modified or created by humans, such as arable community was open to exploiting the seeds of plants fields or other disturbed places. They may have thus been outside the usual range of Neolithic domesticated species under indirect human control and, though this remains to be that formed the backbone of plant-based subsistence at the proved, the crucifers may have even been cultivated. Ethno- site. This evidence adds further to, and is consistent with, graphic studies in the Near East in general, and Anatolia in the emerging picture of diversity in subsistence practices at particular (Ertuğ-Yaraş 1997), show that even modern farm- the site (see Fairbairn et al. 2002, 2005; Russell and Martin ing communities tied into regional industrial economies 2005; Russell and McGowan 2005). A relatively small area have a flexible attitude to plant use and routinely use plants has been excavated below Level VI and it is probable that growing wild among and around their crops for specific pur- earlier finds will be made if other burnt buildings are found. poses. Çatalhöyük’s farmers show an early example of this Collection of wild plant seeds for oil and food has archae- behaviour, regularly using not only the more well-attested ological equivalents in pre-farming sites in Anatolia, with wild resources, such as fruits and nuts, but also seed plants Gundelia tournefortii and other taxa found in abundance outside the usual domesticated range. It is to be hoped that at Hallan Çemi (Rosenberg et al. 1995) and suggestions archaeologists come to understand this diversity of practice of wild legume collection at Çayönü (see discussion and avoid the simplistic categorical approach to resource by Asouti and Fairbairn 2002). Collection of seeds by use that has in the past erroneously led to identification of pre-farming populations and those in transition has been the site as a gatherer settlement (Balter 1998). recorded at several sites in the region (e.g. Kislev et al. 1992; Willcox 1996, 2002; Moore et al. 2000). Among the Acknowledgements The authors thank James Mellaart for provid- species exploited were legumes, crucifers and grasses such ing the seed archive for analysis. We also gratefully acknowledge the financial support of the Wenner-Gren Foundation for Anthropologi- as Taeniatherum caput-medusae, which in some cases cal Research Inc. and the British Institute of Archaeology at Ankara, were exploited alongside wild cereals, as at M’lefaat, Iraq without which this research would have been impossible. Roger (Savard et al. 2003). Far more common in Anatolia was Heady, Sally Stowe and Frank Brink of the Electron Microscopy the collection of fruits and nuts in both pre-farming sites Unit, Australian National University, Canberra provided essential technical support and advice. Figs. 1 and 2 were reproduced with (Hallan Çemi, Rosenberg et al 1995; Göbekli Tepe, the permission of the McDonald Institute for Archaeological Re- Hauptmann 1999; Pınarbaşı, Fairbairn unpubl. data; search, University of Cambridge, UK. Thanks to the two referees Öküzini, Martinoli and Jacomet 2004; Çayönü, van Zeist whose comments greatly improved the presentation and strength of and de Roller 1991) and farming sites (Aşıklı Höyük, van this paper. Mark Nesbitt provided some useful advice and references. Zeist and de Roller 1995; Çatalhöyük East, Fairbairn et al. 2002; Can Hasan III, French et al. 1972 and Bademagci, Martinoli unpubl. data) as it was across the region (Van References Zeist and Bakker-Heeres 1984, 1985; Willcox 1996) and Asouti E, Fairbairn A (2002) Subsistence economy in Central Ana- continues in Anatolia to this day (see Ertuğ-Yaraş 1997). tolia during the Neolithic – The archaeobotanical evidence. In: Records of wild seed collection and processing in early Thissen L, Gérard F (eds) The Neolithic of Central Anatolia: farming societies in southwest Asia are, however, absent, Proceedings of the International CANeW Round Table, Istanbul making the evidence described here for Çatalhöyük unique. 23–24 November 2001. Ege Yayınları, Istanbul, pp 181–192 Balter M (1998) Why settle down? The mystery of communities. 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