Trifolium Longidentatum (Fabaceae), A New Record For the Flora of Iran

Trifolium longidentatum nabelek is reported as a new record from the kurdistan province, west of iran. it belongs to the section trifolium, subsect. ochroleuca. this species, is characterized by long calyx teeth, oblong-lanceolate stipules that adnate to petiole in four-fifths of their lengths, pale pink flowers and bent beak pods. it is taxonomically an isolated species and there is no very close species to it in the flora iranica area. morphological characteristics, habitats and geographical distribution of t. longidentatum are presented. an identification key to the iranian members of trifolium sect. trifolium subsect. ochroleuca is also provided.