长翼棘豆 chang yi ji dou

Herbs, 6-8 cm tall, acaulescent, from a shortly branched multiheaded caudex. Stipules linear-lanceolate, ca. 1 cm, herba­ceous, with appressed white trichomes, adnate on basal ca. 1/3 to petiole, otherwise distinct. Leaves 4-8 cm, 15-21-foliolate; petiole and rachis with spreading white long trichomes; leaflet blades ovate-lanceolate, 3.5-7 × 1-2.5 mm, both surfaces densely spreading white pilose, apex acute. Racemes many flowered; peduncle 2-7 cm, shorter than leaves, with spreading sparse white trichomes. Calyx subcylindric, 6-8 mm, with appressed sparse black trichomes; lobes linear-subulate, as long as tube. Corolla purple; standard 0.9-1.1 cm, lamina broadly ovate, apex emarginate; wings 1-1.2 cm, lamina ovate-oblong, apex emarginate; keel 8-10 mm, beak ca. 2 mm. Ovary stipi­tate. Legume unknown. Fl. May-Jun.

● Sandy and gravelly areas in valleys; 4000-4100 m. Xizang (Lhari).

Grubov (Fl. Central Asia 8b: 21. 1999) treated Oxytropis longi­alata as a synonym of O. globiflora, but the former differs by its stan­dard apically 2-lobed, not rounded as in O. globiflora.