Allium sultanae-ismailii (Amaryllidaceae), a new species from eastern Turkey

###EgeUn###Allium sultanae-ismailii Yildirim (Amaryllidaceae) is described here as a new species. Diagnostic morphological characters, a full description, and detailed illustrations are given herein. A. sultanae-ismailii is restricted to Mt. Akbabacali in Darende district of Malatya province in eastern Anatolia, Turkey. According to its morphological features, it belongs to Allium subgen. Melanocrommyum sect. Melanocrommyum. It shows morphological similarities with A. purpureoviride, which belong to the same subgenus and section. However, it is easily distinguished from this latter species by the dark purple tepals, shorter stem, initially stellate perianth segments, longer style, undivided and very short tripartite stigma, and distribution at higher altitudes.TUBITAK (The Scientific and Technological research Council of Turkey)Turkiye Bilimsel ve Teknolojik Arastirma Kurumu (TUBITAK) [113 Z 072]; Ege University (EBILTEM)Ege University [2014 BIL 004]The author is grateful to Prof. Reinhard M. Fritsch and Prof. Mehmet Koyuncu, experts of the genus Allium, for their useful comments about the taxonomical status of the new species. Also, thanks to curators of ANK, EGE, E, HUB, ISTE and K for access to Allium material for study. The author is indebted to TUBITAK (The Scientific and Technological research Council of Turkey [Fund Project number: 113 Z 072) and Ege University (EBILTEM [project number: 2014 BIL 004]) for financial support