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

102. Oxytropis fragiliphylla Q. Wang, Chang Y. Yang, X. Y. Zhu & H. Ohashi, J. Jap. Bot. 76: 219. 2001.

脱叶棘豆 tuo ye ji dou

Herbs, 8-15 cm tall, acaulescent, from a branching multi­headed ligneous caudex, tuft-forming, green. Stipules obtusely triangular, membranous, covered with dense whitish trichomes, adnate to petiole. Leaves 4-10 cm, fragile, deciduous, 17-25-foliolate; petiole erect, often withered; petiolules extremely short; leaflet blades elliptic to ovate, 2-5 × 1-2 mm, caducous, both surfaces with sparse whitish trichomes. Racemes dense and 2-5 cm but becoming lax and elongating in fruit, 7-13-flowered or more; peduncle 6-12 cm, longer than leaves, with sparse trichomes; bracts linear to narrowly subulate, 0.7-1.5 mm, almost as long as pedicels. Calyx campanulate, ca. 4 mm, with blackish and whitish trichomes; lobes subulate, ca. 1.2 × 0.4 mm. Corolla purple; standard 6-10 mm, apex rounded; wings 7.5-8.5 mm, lamina obovate, apex rounded; keel 7.5-8 mm, beak ca. 1.5 mm. Legume stipitate; stipe 2-2.5 mm; body narrowly ovoid, 8-12 × 2.5-4.5 mm, appressed whitish pubes­cent. Fl. Jun-Jul, fr. Jul.

● Subalpine meadows; 1800-2800 m. Xinjiang.


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