Orobanche javakhetica (Orobanchaceae): a new species from the Caucasus (Armenia)

Orobanche javakhetica (Orobanchaceae) is described as a new, probably endemic, species from the Lesser Caucasus in Armenia. It grows on a subalpine meadow, where it parasitises Lomelosia caucasica (Dipsacaceae). The newly-described species is very characteristic and different from other known Orobanche , however some morphological similarity may exist with species from the Orobanche subsect. Curvatae , particularly with species of the Orobanche series Krylowianae . A detailed description, illustrations, a comparison with the most similar species with identification key, and phylogenetic analysis are provided.