Masoumeh Mahmoudi Shamsabad - Master of Science/Department of Biology, Faculty of Sciences, Ferdowsi University of Mashhad, Mashhad, Iran
Jamil Vaezi Vaezi - Assistant Professor/Department of Biology, Faculty of Sciences, Shahid Chamran University of Ahvaz, Ahvaz, Iran
Farshid Memariani - Master of Science/Research Centre for Plant Sciences, Ferdowsi University of Mashhad, Mashhad, Iran
Mohammad Reza Joharchi - Base of Science/Research Centre for Plant Sciences, Ferdowsi University of Mashhad, Mashhad, Iran

Acanthophyllum ejtehadii (sect. Oligosperma) is described as a new species to the science from Khorassan, NE Iran, which is closely related to A. diezianum. Acanthophyllum maimanense, hitherto known only from NW Afghanistan, is a new record for the flora of Iran. These species are compared with the closely related species of sect. Oligosperma and their distribution data and pictures are provided.

Acanthophyllum, sect. Oligosperma, new species, new record, Endemic, Khorassan, Iran