Notes on Some Species of the Genus Delphinium (Ranunculaceae) in Iran

During the taxonomic revision of the genus delphinium in iran, delphinium kurdicum boiss. & hohen. was identified among the herbarium specimens. this species is reported as a new record for the flora of iran. also, d. zalil aitch. & hemsl. is introduced as a distinct species from d. semibarbatum bienert ex boiss. the species is compared with a closely related species, d. ochrolecum stev. ex dc. morphological, palynological and tepal epidermal patterns of the taxa concerned have been investigated and the results are presented here. a new identification key for all of the yellow flowering delphinium species in iran is given.