Astragalus stenostegius Accepted Name Astragalus stenostegius Boiss. & Hausskn., Fl. Or. 2: 314. 1872. Synonyms Astragalus spinellus Boiss. & Hausskn., Fl. Or. 2: 315. 1872. Tragacantha spinella (Boiss.) Kuntze, Revis. Gen. 2: 948. 1891. Tragacantha stenostegia (Boiss.) Kuntze, Revis. Gen. 2: 948. 1891. Regional Endemic SW Asia Distribution Pattern SW Asia ( Iran ) Local Endemic Iran Chromosome Number Note Admin2020-01-29T13:54:58+00:00