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

3. Rhynchosia rufescens (Willdenow) Candolle, Prodr. 2: 387. 1825.

淡红鹿藿 dan hong lu huo

Glycine rufescens Willdenow, Neue Schriften Ges. Naturf. Freunde Berlin 4: 222. 1803.

Shrubs, creeping, climbing or almost erect. Stems zigzag, pubescent. Leaves pinnately 3-foliolate; stipules small, linear-lanceolate, 2-4 mm, deciduous; petiole 2-4.5 cm, hairy; petio­lules short, 1-2 mm; terminal leaflet ovate to ovate-elliptic, 2-5.5 × 1.2-2.5 cm, both surfaces pubescent, with dense sessile glands, basal veins 3, base rounded, apex obtuse or shortly mu­cronate; lateral leaflets slightly smaller, obliquely ovate. Ra­ceme axillary, slender, 2-4 cm, 2-6-flowered, densely pubes­cent; bracts small, deciduous; peduncle usually 2-5 mm, hairy. Flower ca. 1 cm. Calyx green, ca. 1 cm, densely pubescent, deeply lobed to base; lobes oblong. Corolla purple to yellow, longer than calyx. Legume obliquely orbicular, inflated, equal or subequal to calyx, apex slightly curved, acute, pubescent, brown and dehiscent when mature. Seed 1, black, transversely elliptic, ca. 3.5 × 3 mm, with succulent strophiole. Fl. Apr-Oct, fr. Oct-Feb. 2n = 22.

Valleys; 300-700 m. Guangxi, Yunnan [Cambodia, India, Indo­nesia, Malaysia, Sri Lanka].


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