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

124. Oxytropis lehmannii Bunge, Arbeiten Naturf. Vereins Riga. 1: 225. 1847.

等瓣棘豆 deng ban ji dou

Oxytropis aequipetala Bunge.

Herbs, 5-20 cm tall, acaulescent, from a multiheaded cau­dex, pubescence short. Stipules with a lanceolate-subulate dis­tinct part, 5-6 mm, subleathery, densely sericeous and some­times also with sparse black trichomes, adnate to petiole, basal half connate. Leaves 2-6 cm, 9-31-foliolate; petiole and rachis densely sericeous; leaflets closely arranged; leaflet blades lan­ceolate, oblong, or elliptic, 1.5-12 × 0.3-4 mm, both surfaces appressed sericeous, apex acute. Racemes 8-11-flowered; pe­duncle 4-15 cm, 3-4 × as long as leaves, erect to diffuse, with appressed sparse white and black trichomes. Calyx broadly cy­lindric, 3.5-6(-8) mm, with appressed white and black short tri­chomes; lobes subulate, 0.8-1.2 mm, ca. 1/2 as long to as long as tube. Corolla purple and pale pink; standard 6-11 mm, lami­na orbicular, apex rounded; wings as long as standard, lamina oblong, apex emarginate; keel as long as wings, beak ca. 1 mm. Legume stipitate; stipe ca. 3 mm; body cylindric to ovoid, 10-15 × 3-3.5 mm, slightly flattened, 1-locular, with appressed dense white short trichomes, sometimes with black trichomes intermixed, septum absent, abaxial suture round, adaxial suture concave, beak ca. 1 mm. Fl. Jun-Jul, fr. Jul-Sep. 2n = 16.

Gravelly alpine meadows, grasslands on hillsides; 2000-4800 m. Xizang [Tajikistan, Uzbekistan].


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