Astragalus oxyrhynchus Hemsl.

Hesperastragalus oxyrhynchus (Hemsl.) Rydb. Bull. Torrey
Club 53: 165. 1926.
Astragalus oxyrhynchus Hemsl. Biol. Centr. Am. Bot. 1: 265. 1880. Tragacantha oxyrhyncha Kuntze, Rev. Gen. 947. 1891. Astragalus angelinus M. E. Jones, Rev. Astrag. 286. 1923.
A perennial, with several slender under-ground stems; stems decumbent, 1-2 dm. long, strigulose, often canescerft; leaves 3-6 cm. long, ascending, the rachis strigulose; stipules deltoid, strigose, 3 mm. long; leaflets 15-25, linear, retuse to obtuse at the apex, glabrous above, strigose beneath; peduncles 3-7 cm. long, erect; racemes dense, 2-4 cm. long, many-flowered; bracts lanceolate, 1 mm. long; pedicels reflexed, 2 mm. long; calyx strigose with mixed white and black hairs, the tube campanulate, 1 .5 mm. long, the teeth subulate, about as long ; corolla 5-6 mm. long; banner broadly obovate, abruptly arched, slightly retuse, purplish with dark veins; wings slightly shorter, the blade obliquely oblong, falcate; keel-petals nearly as long, the blade semi-orbicular, obtuse; pod strigose, cross-reticulate, coriaceous, 7 mm. long, 3 mm. wide, and 4 mm. thick, the lateral view semi-ovate, straight on the upper suture, the dorsi-ventral view ovate, the cross-section broadly cordate, but only slightly sulcate on the lower suture.
Type locality: Tizapan, Valley of Mexico (Federal District).
Distribution: Mexico and Hidalgo.

Astragalus oxyrhynchus adalah spesies tumbuhan yang tergolong ke dalam famili Fabaceae. Spesies ini juga merupakan bagian dari ordo Fabales. Spesies Astragalus oxyrhynchus sendiri merupakan bagian dari genus Astragalus. Nama ilmiah dari spesies ini pertama kali diterbitkan oleh Hemsl..

Astragalus oxyrhynchus là một loài thực vật có hoa trong họ Đậu. Loài này được Hemsl. miêu tả khoa học đầu tiên.