Astragalus schistocalyx Accepted Name Astragalus schistocalyx Bunge, Mém. Acad. Imp. Sci. Saint Pétersbourg 11(16): 46. 1868; 15(1): 75. 1869. Synonyms Tragacantha schistocalyx (Bunge) Kuntze, Revis. Gen. 2: 948. 1891. Regional Endemic SW Asia Distribution Pattern SW Asia ( Iran ) Local Endemic Iran Chromosome NumberNote Resurrected. With gum duct. Photo Admin2020-04-11T08:36:37+00:00