盐池棘豆 yan chi ji dou

Herbs, to ca. 5 cm tall, acaulescent, from a compact multi­headed spreading branched caudex. Stipules triangular, ca. 7 × 3.5 mm, membranous, conspicuously veined, high connate, margin ciliate. Leaves ca. 5 cm, 15-19-foliolate; leaflet blades ovate, 4-4.5 × 1-1.5 mm, both surfaces with appressed pubes­cence. Racemes compact, 3-5-flowered; peduncle 4-5 cm, shorter to longer than leaves; bracts broadly ovate, 2.1-4.9 × 1.5-1.7 mm, whitish appressed pubescent. Calyx campanulate, ca. 3.4 × 1.3 mm, with whitish and blackish trichomes inter­mixed; lobes triangular, ca. 3 mm. Corolla purple; standard 6.5-7.5 mm, lamina transversely broadly ovate, apex emarginate; wings ca. 6.2 mm, lamina obovate, apex 2-lobed; keel ca. 5 mm, beak ca. 1 mm. Legume unknown. Fl. Jun.

● Hillsides; ca. 2200 m. Xinjiang (Yiwu).