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Prostrate Milkvetch

Astragalus miser var. decumbens (Nutt.) Cronq.

Comprehensive Description

provided by North American Flora
Homalobus divergens (Blankinship) Rydb. Bull Torrey Club 34: 417. 1907.
Astragalus divergens Blankinship. Mont. Agr. Coll. Stud. 1: 73. 1905. Homalobus camporum Rydb. Bull. Torrey Club 32: 666. 1906. Astragalus campestris crispatus M. E. Jones, Rev. Astrag. 75. 1923.
A perennial, with a cespitose caudex; stems 1-1.5 dm. high, strigose-canescent ; leaves 3-5 em. long; stipules triangular, acuminate, 3-5 mm. long, pubescent, the lower connate; leaflets 9-13, elliptic to linear-oblong, 4—10 mm. long, 1-2 mm. wide, strigose-canescent on both sides; peduncles 5-8 cm. long; racemes short, 6-15-flowered; bracts subulate, 2 mm. long; calyx strigose with mixed dark and light hairs, the tube 2 mm. long, the teeth lance-subulate, 1 mm. long; corolla ochroleucous or white, tinged with blue, the keel purple-tipped; banner 7-8 mm. long, obovate; wings 6 mm. long, the blade obliquely oblaneeolate, falcate; keel-petals 6-7 mm. long, lunate, with alanceolate, obtusish tip; pod 12-1S mm. long, 2-2.5 mm. wide, strigose, straight, somewhat mottled with light-brown, sessile or short-stipitate ; seeds 2 mm. long, 1.5 mm. wide.
Type locality': Uplands near Big Coulee, about 30 miles northeast of Big Timber, Sweet Grass County, Montana.
Distribution: Montana. Wyoming, eastern Idaho, and northeastern Utah.
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bibliographic citation
Per Axel Rydberg. 1919. (ROSALES); FABACEAE; PSORALEAE. North American flora. vol 24(1). New York Botanical Garden, New York, NY
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