Astragalus rigidulus Accepted Name Astragalus rigidulus Bunge, Mém. Acad. Imp. Sci. Saint Péterbourg 11(16): 23. 1868 in clave [et l.c. 15(1): 25. 1869. Synonyms Tragacantha rigidula (Bunge) Kuntze, Revis. Gen. 2: 947. 1891. Regional Endemic Distribution Pattern S Asia ( India / Bhutan ) SE Asia ( China ) Local Endemic Chromosome Number Note Chaudhary 2018 mentioned as a rare species. Admin2020-01-04T17:47:11+00:00