Astragalus hymenocalyx Accepted Name Astragalus hymenocalyx Boiss., Diagn. pl. orient., ser. 1, 2: 55. 1843. Synonyms Tragacantha hymenocalyx (Boiss.) Kuntze, Revis. Gen. 2: 945. 1891. Regional Endemic SW Asia Distribution Pattern SW Asia ( Iran ) Local Endemic Iran Chromosome Number Note (N-) Admin2020-01-05T00:22:00+00:00