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Torrey's Milkvetch

Astragalus calycosus var. monophyllidius (Rydb.) Barneby

Comprehensive Description

provided by North American Flora
Hamosa monophyllidia Rydberg, sp. nov
A subacaulescent, densely cespitose perennial, with a woody caudex; leaves numerous, 2-5 cm. long; leaflet solitary, obovate, rounded at the apex, cuneate at the base, 1-2 cm. long, 5-10 mm. wide, silvery-silky on both sides; peduncles 4—6 cm. long; racemes 2-6-flowered ; bracts lance-ovate, 1 mm. long; pedicels 1 mm. long; calyx silvery-silky, the tube about 4 mm. long, the teeth subulate with a deltoid base, 2 mm. long; corolla white, cream-colored, or purple-tinged, about 12 mm. long; banner broadly obovate, abruptly arched; wings slightly 2-lobed, with a large auricle; keel-petals much shorter, the blade strongly lunate, broad at apex; pod (not mature) oblong, falcate, 12 mm. long, 4 mm. wide, strigose-canescent, slightly sulcate on the lower suture, narrowly cordate in cross-section.
Type collected in the vicinity of Currant, Nye County, Nevada. May 1916, Georgia H. Bentley (herb. N. Y. Bot. Card.).
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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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