Astragalus zerdanus Accepted Name Astragalus zerdanus Boiss., Diagn. pl. orient., ser. 1, 2: 51. 1843. Synonyms Tragacantha zerdana (Boiss.) Kuntze, Revis. Gen. 2: 949. 1891. Phaca zerdana (Boiss.) Boiss., Diagn. pl. orient., ser. 1, 6: 34. 1846. Regional Endemic SW Asia Distribution Pattern SW Asia ( Iran ) Local Endemic Iran Chromosome Number Note Admin2020-01-05T01:03:37+00:00