Astragalus argyrostachys Accepted Name Astragalus argyrostachys Boiss., Diagn. pl. orient., ser. 1, 6: 41. 1846. Synonyms Tragacantha argyrostachys (Boiss.) Kuntze, Revis. Gen. 2: 943. 1891. Regional Endemic SW Asia Distribution Pattern SW Asia ( Iran ) Local Endemic Iran Chromosome Number Note (N+) Photo Admin2020-05-09T14:27:38+00:00