Astragalus psilostylus Accepted Name Astragalus psilostylus Bunge, Acad. Imp. Sci. Saint Pétersbourg 11(16): 87. 1868 in clave [et l.c. 15(1): 152. 1869] Synonyms Astragalus glabristylus Turrill, Kew Bull. 1930: 378. 1930. Astracantha psilostyla (Bunge) Podlech, Mitt. Bot. Staatssaml. Munchen 19: 18. 1983. Tragacantha psilostyla (Bunge) Kuntze, Revis. Gen. 2: 947. 1891. Regional Endemic SW Asia Distribution Pattern SW Asia ( Iran ) Local Endemic Iran Chromosome Number Note With developed gum duct. Photo Admin2020-01-29T02:58:09+00:00