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Seed morphology of Ebenus L. species endemic to Turkey

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In the present study, seed surface morphology of species of the genus Ebenus L. in Turkey, all of which are endemic, was studied. E. plumosa var. speciosa has the biggest and E. laguroides var. laguroides has the smallest seeds. The seed shapes are spheroid in E. reesei, orbiculate in E. pisidica, and oblong-spheroid in others. | Research Article Turk J Bot 34 (2010) 283-289 © TÜBİTAK doi:10.3906/bot-0907-75 Seed morphology of Ebenus L. species endemic to Turkey Fatma BAYRAKDAR, Zeki AYTAÇ, Zekiye SULUDERE, Selami CANDAN Gazi University, Faculty of Arts and Science, Department of Biology, 06500 Ankara - TURKEY Received: 2009 Accepted: 2009 Abstract: In the present study, seed surface morphology of species of the genus Ebenus L. in Turkey, all of which are endemic, was studied. E. plumosa var. speciosa has the biggest and E. laguroides var. laguroides has the smallest seeds. The seed shapes are spheroid in E. reesei, orbiculate in E. pisidica, and oblong-spheroid in others. Ornamentation is striate in E. macrophylla, rugose in E. haussknechtii, and reticulate or multi-reticulate in others. Microphylle is subterminal in all Turkish Ebenus species. Key words: Ebenus, Fabaceae, seed morphology, Turkey Türkiye’ye endemik olan Ebenus L. türlerinin tohum morfolojileri Özet: Bu çalışmada Türkiye Ebenus L. cinsi türlerinin tohum yüzey morfolojileri çalışılmıştır. Türlerin hepsi Türkiye için endemiktir. En büyük tohuma E. plumosa var. speciosa, en küçük tohuma ise E. laguroides var. laguroides sahiptir. Tohum şekli E. reesei’de sferoid, E. pisidica’da orbikulat ve diğerlerinde oblong-sferoiddir. Tohum ornementasyonu E. macrophylla’da striat, E. haussknechtii’de rugoz, diğerlerinde retikulat yada multiretikulattır. Çalışılan bütün türlerde mikropil subterminaldedir. Anahtar sözcükler: Ebenus, Fabaceae, tohum morfolojisi, Turkey Introduction nd Fabaceae is the 2 most economically important family after Gramineae and 3rd largest family after Compositae and Gramineae in the Turkish flora (Davis, 1988; Huber-Morath, 1970). Ebenus L., a member of Fabaceae family, is represented by 19 species worldwide; 6 of them are distributed in different parts of Irano-Turanian and Mediterranean regions (E. critica L. and E. sibthorpii DC in Crete and Rhodes Islands; E. pinnata Ait. in Morocco, Algeria, Tunisia;