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

113. Oxytropis qilianshanica C. W. Chang & C. L. Zhang ex X. Y. Zhu & H. Ohashi, Cathaya. 11-12: 154. 2000.

祁连山棘豆 qi lian shan ji dou

Herbs, (4.5-)9-22 cm tall, acaulescent, from a simple or multiheaded caudex. Stipules triangular, 5-13 mm, membra­nous to herbaceous, basal ca. 1/3 adnate to petiole, distinct, apex acuminate, with spreading sparse white long trichomes. Leaves (4-)6-15 cm, 19-29-foliolate; leaflet blades narrowly ovate, 5-10 × 3-5 mm, with appressed dense pale yellow and white trichomes, base rounded, margin ciliate, apex acute. Ra­cemes compact, 5-14-flowered, elongating after anthesis; pe­duncle (2.5-)11-19(-30) cm, mainly longer than leaves, erect, sulcate, with white long trichomes apically intermixed with black ones; bracts narrowly lanceolate, ca. 4 × 1 mm, herbaceous, pubescent, apex acuminate. Calyx campanulate, 5-6 × ca. 2 mm, with white and black long trichomes intermixed; lobes subulate, 3-4 mm. Corolla blue; standard 6-8 mm, apex emarginate; wings 6-8 mm, lamina elliptic; keel 5-6 mm, beak 0.3-0.5 mm. Legume shortly stipitate; stipe ca. 1 mm; body brown, cylindric, ca. 13 × 4 mm, pendulous, leathery, 1-locular. Fl. Jun-Jul, fr. Jul-Aug.

● Forests, riverbanks, dry hillsides and grasslands, along road­sides; 2300-5100 m. Gansu, Qinghai, Xizang.


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