Astragalus angustatus subsp. subtrijugus Accepted Name Astragalus angustatus Boiss. subsp. subtrijugus Bornm., Bull. Herb. Boiss., ser. 2, 5: 843. 1905. Synonyms Regional Endemic SW Asia Distribution Pattern SW Asia ( Iran ) Local Endemic Iran Chromosome Number Note Admin2024-09-08T21:29:09+00:00