Pimpinella isaurica subsp sumbuliana (Apiaceae), a new taxon from Turkey

Pimpinella isaurica V.A. Matthews subsp. sumbuliana R.S. Gokturk subsp. nova (Apiaceae) is described and illustrated from Anatolia, Turkey. It is closely related to P. isaurica subsp. isaurica, also an endemic of Anatolia. The diagnostic morphological characters of subsp. sumbuliana and subsp. isaurica are discussed and their geographic distributions are presented.