Bishop's Milkvetch

Homalobus lancearius (A. Gray) Rydb. Bull. Torrey
Club 40: 52. 1913.
Astragalus lancearius A. Gray. Proc. Am. Acad. 13: 370. 1878.
A perennial, with a rootstock or caudex; stems 3-5 dm. high, glabrous, flexuose; leaves 8-10 cm. long; stipules deltoid, 3 mm. long, free or nearly so; leaflets 5-9, linear or linear-filiform, about 1 cm. long, 1 mm. wide, strigose, involute, the terminal one often wanting and represented by the prolonged rachis; peduncles about 1 dm. long; racemes several-flowered; bracts subulate, 1-2 mm. long; calyx strigulose with short black hairs, the tube 3-4 mm. long, the teeth about 1 mm. long; corolla white, the keel purple-tipped ; banner narrowly obovate, slightly notched, 12-14 mm. long; wings shorter, the blade oblong, falcate, obtuse, equaling the claw, with a large reflexed auricle; keel-petals broader, S-9 mm. long, the blade lunate, rounded at the apex, tipped with purple; pod broadly oblong, acute at each end, 18-25 mm. long, 6 mm. wide, glabrous or sparingly strigose when young; seeds obliquely reniform, 3 mm. long.
Type locality: Near Beaverdam, on Rio Virgen, northwestern Arizona.
Distribution: Southern Utah and northern Arizona.

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