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

3. Tephrosia kerrii J. R. Drummond & Craib, Bull. Misc. In­form. Kew. 1912: 149. 1912.

银灰毛豆 yin hui mao dou

Herbs, perennial, to 3 m tall, densely yellow spreading vil­lous. Stems erect, sturdy, ridged, apically branched. Leaves 11-17-foliolate; rachis 9-15 cm, including petiole ca. 5 mm; leaflet blades oblong-lanceolate, 5-8 × 1.5-2 cm, abaxially densely silvery sericeous, adaxially olive-green and glabrous, secondary veins 20 on each side of midvein and conspicuous, base obtuse to cuneate, apex acute and cuspidate. Pseudoracemes terminal, when immature cone-shaped and covered by bracts, elongated to ca. 10 cm at anthesis. Pedicel ca. 5 mm, densely white serice­ous. Flowers ca. 2.2 cm. Calyx ca. 8 × 6 mm; teeth narrowly tri­angular, most abaxial one longest and ca. 5 mm, apex acute. Corolla red; standard obovate, yellow sericeous. Ovary serice­ous, with numerous ovules. Legume linear, 8-10 cm × 6-8 mm, straight, spreading and slightly nodding, yellow sericeous, apex with a ca. 1 cm slightly ascending beak. Seeds 10-12 per leg­ume but characters unknown. Fl. Oct, fr. Dec.

Moist places in valleys, open places, along trails; 700-1000 m. S Yunnan [Laos, Thailand, Vietnam].


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