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Dumasia villosa

Description from Flora of China

Apios martini H. Léveillé; Dumasia bicolor Hayata; D. glaucescens Miquel; D. leiocarpa Bentham; D. pubescens Can­dolle; D. villosa var. arunachalensis Predeep & M. P. Nayar; D. villosa subsp. bicolor (Hayata) Hayata; D. villosa var. leiocarpa (Bentham) Baker; Erythrina mairei H. Léveillé.

Herbs twining. Stems villous. Stipules small, linear-lan­ceolate or setiform, 2-3 mm, densely villous; petiole 3-5(-9.5) cm, densely hairy; petiolules 2-3 mm, hairy; leaflets papery; terminal leaflet ovate to broadly ovate, 3.5-5(-9) × 2-3(-5) cm, both surfaces densely adpressed villous, lateral veins 4-6 pairs, base rounded, almost truncate or broadly cuneate, apex obtuse or slightly concave, with mucro; lateral leaflets slightly smaller and oblique. Raceme axillary, 4-11(-15) cm, flowers clus­tered or slightly sparse; peduncle obvious; bracts and brac­teoles small, setiform. Flowers 1.5-1.8 cm; pedicel short, ca. 2 mm, pubescent. Calyx ca. 10 mm, glabrous or sparsely ad­pressed hairy. Corolla yellow; petals subequal, with obvious claws; standard obovate; wings and keels oblong-elliptic, with long claws, auricles absent. Style long, hairy, compressed near top; stigma capitate. Legume oblong, constricted between seeds, 2-3 × ca. 0.5 cm, densely yellow villous. Seeds 1-4, black or blue. Fl. Sep-Oct, fr. Nov-Dec. 2n = 20.

The seeds of Dumasia villosa contain oil.

Mountain valleys, riversides; 400-2500 m. Guangxi, Guizhou, Shaanxi, Sichuan, Xizang, Yunnan [Bhutan, India, Indonesia, Laos, Malaysia, Myanmar, Nepal, Pakistan, Philippines, Sri Lanka, Thailand, Vietnam; Africa, Australasia, Madagascar].


 

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