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FOC | Family List | FOC Vol. 10 | Fabaceae | Oxytropis

31. Oxytropis gerzeensis P. C. Li, Fl. Xizang. 2: 859. 1985.

改则棘豆 gai ze ji dou

Herbs, 8-13 cm tall, caulescent, with 2 or more apparent internodes, horizontal or prostrate, with spreading sparse tri­chomes. Stipules herbaceous, with spreading trichomes, free from petiole, basal half connate. Leaves 1.5-4 cm, 12-17(-21)-foliolate; leaflet blades oblong, ovate-oblong, or lanceolate, 4-7 × 2.5-3 mm, both surfaces densely sericeous with long tri­chomes. Racemes dense, 6-8-flowered; peduncle 2.5-4 cm, slender, slightly shorter than to as long as leaves, basally with appressed white and black long trichomes, apically with dense black ones; bracts narrowly lanceolate, shorter than calyx. Ca­lyx 5.5-6 mm, with dense black short trichomes; lobes shorter than tube. Corolla purple; standard 8.5-10 mm, lamina broadly ovate, apex emarginate; wings 8-9 mm, lamina oblong, apex with 2 unequal lobes; keel shorter than wings, beak short. Leg­ume (immature) shortly stipitate; body ovoid to ellipsoid, 10-12 × 5-6 mm, tapering to a beak. Fl. and fr. Sep.

● Meadows; 3400-5200 m. Qinghai, Xinjiang, Xizang.


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