Abstract
In this study, we examined whether a satisfactory infrageneric grouping in Eremopyrum (Ledeb.) Jaub. & Spach can be achieved with the help of cluster analysis based on external vegetative and floral morphological characters of specimens either gathered from the field or borrowed from various herbaria. Twenty morphological characters were chosen and scored for 36 populations representing the genus. The data were subjected to numerical taxonomic analyses, and a phenogram was obtained by applying Gower general similarity index. The results of this study suggest that there are basically five species in Turkey, namely E. triticeum (Gaertner) Nevski, E. orientale (L.) Jaub. & Spach, E. distans (K. Koch) Nevski, E. bonaepartis (Sprengel) Nevski, and E. confusum Melderis. For the first time a new variety, E. bonaepartis (Sprengel) Nevski. var. aristatum Cabi & Doğan, is proposed along with two new combinations: E. bonaepartis (Sprengel) Nevski. var. sinaicum (Steudel) Cabi & Doğan and E. confusum Melderis var. sublanuginosum (Drob.) Cabi & Dogan. An account of Eremopyrum in Turkey is given, including a key to the species and varieties, and a general indication of their distribution.
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Acknowledgments
Special thanks to Mary Barkworth for critical reading of the manuscript. Thanks are due to the curators of herbaria ANK, GAZI, ISTE, ISTF, VANF, E, K, and BM, who allowed us to study their Eremopyrum specimens, and to the Scientific and Technical Research Council of Turkey (TUBITAK-TBAG-105 T 171) for their financial assistance for the study.
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Appendix I: list of specimens used in constructing the cluster analysis (the number in brackets refer to the OTU numbers seen on phenogram)
Appendix I: list of specimens used in constructing the cluster analysis (the number in brackets refer to the OTU numbers seen on phenogram)
E. confusum
G. Akaydın 7764 Ankara: Ankara to Şereflikoçhisar, around Tuz Lake (OTU 21).
E00257932E. confusum var. pakistanicum. Type of var. pakistanicum (OTU 22).
E. Cabi 2245 Konya: Cihanbeyli, inside of salt enterprise, edge of Tuz Lake (OTU 23)
E00257923 İçel: 5 miles from Mut to Karaman (OTU 24)
G. Akaydın 7727b Ankara: Ankara to Şereflikoçhisar, around Tuz Lake (OTU 25)
E. Cabi 2249 Kayseri: Sultanhanı to Bünyan, 5 km from Sultanhanı (OTU 26)
E. Cabi 2240 Sivas: Gürün, East of Gökpınar Lake (OTU 27)
G. Akaydın 7690 Van: Van to Erciş ~10–15 km (OTU 28)
G. Akaydın 7724 Konya: Cihanbeyli, around Tersakan Lake (OTU 29).
G. Akaydın 10318 Ankara: Çayırhan Bird Sanctuary. (OTU 30)
E. Cabi 1306 Sivas: Boğazlıdere to Kutlukaya (OTU31)
E. Cabi 2508 Ağrı: Ağrı to Doğubeyazıt 17 km before Doğubeyazıt (OTU 32)
ANK 28969 Elazığ: Hazar Lake (OTU 33)
GAZI 5091 Nevşehir: 4 km W. of Göreme (OTU 34)
E. Cabi 2255 Ağrı: 9.5 km from Doğubeyazıt to Iğdır, (OTU 36)
E. orientale
GAZI 6124 Ankara: Sincan, Fatih Mh.(OTU 13).
E. Cabi 631 Konya: 1.5 km N.W. of Alemdar Village (OTU 7).
E. Cabi 8 Konya: Cihanbeyli, around Tuzla, Karatepe Village (OTU 6).
E. Cabi 2501 Ağrı: Ağrı to Doğubeyazıt, 21 km before Diyadin (OTU 10).
E. Cabi 2507 Ağrı: Agrı to Doğubeyazıt (OTU 9).
E. Cabi 2493 B9 Erzurum: Horasan Town centre (OTU 8).
E. Cabi 2244 Konya: Cihanbeyli, shore of Tuz Lake (OTU 12).
E. Cabi 2248 Ankara: Şereflikoçhisar, 8 km to Şereflikoçhisar, shore of Tuz Lake (OTU 35).
E. Cabi 2247 Ankara: Şereflikoçhisar, 30 km to Şereflikoçhisar, shore of Tuz Lake (OTU 11).
E. bonaepartis
E. Cabi 339 Ankara: Polatlı to Sivrihisar, 26 km from Polatlı (OTU20).
D28141 Şanlıurfa: Ş.Urfa to Akçakale, 13 km from Ş.Urfa (OTU19).
E. Cabi 2241 Urfa: Ceylanpınar State Farm, Şeyh Nasr Streambed (OTU 17)
E. Cabi Urfa Ceylanpınar State Farm, edge of Gümüşsu and Beyazkule, Şıhanlı Valley (OTU 18)
G. Akaydın 7764b Aksaray, Aksaray to Şereflikoçhisar, around Tuz Lake 970 m (OTU 14)
E. Cabi 2255 Ağrı: 9.5 km from Doğubeyazıt to Iğdır (OTU 16)
E. Cabi 2240 Şanlıurfa: Ceylanpınar State Farm, E. of Gellegeç Karakolu (OTU 15)
E. distans
ANK 1459 Konya: Yavşan salt enterprise, nr Tuz Lake (OTU 5).
E. Cabi 2256 Ağrı: 9.5 km from Doğubeyazıt to Iğdır (OTU 4).
E. Cabi 2506 Ağrı: Ağrı to Doğubeyazıt (OTU 3).
E. triticeum
E. Cabi 1706 Konya: Yavşan salt enterprise, near Tuz Lake (OTU 1).
E. Cabi 2492 Erzurum: Horasan Town centre (OTU2).
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Cabi, E., Doğan, M. Taxonomic study on the genus Eremopyrum (Ledeb.) Jaub. et Spach (Poaceae) in Turkey. Plant Syst Evol 287, 129–140 (2010). https://doi.org/10.1007/s00606-010-0306-1
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DOI: https://doi.org/10.1007/s00606-010-0306-1