滇南狸尾豆 dian nan li wei dou

Uraria clarkei Gagnepain; U. guangxiensis W. L. Sha.

Shrubs or herbs, erect, to 2 m tall. Stems stout, with brown spreading long hairs. Leaves pinnately 3-foliolate; petiole 3.5-6 cm, densely yellow-brown spreading hirsute; leaflet blades el­liptic or elliptic-lanceolate, terminal one (4.5-)5.5-10(-15) × 2-5.5(-6.5) cm, abaxially densely pilose, adaxially pilose, lateral veins 11-13 on each side of midvein, both ends rounded or ob­tuse, apex mucronate. Panicles terminal, 13-40 cm, densely brown spreading hairy. Pedicel 3-4 mm, elongated to 1 cm at fruiting, yellow-brown pubescent. Calyx 4-5 mm, densely hairy as pedicel; lower lobes ca. 2 × as long as upper ones or more. Corolla purple or purple-brown, 8-9 mm. Ovary hairy, 6-8-ovuled. Legume brown, shortly hairy, 6-8-jointed; articles ca. 2 × 1.8 mm. Fl. and fr. Jun-Oct.

Open grassy slopes, secondary seasonal rain forests; ca. 700 m. Guangdong, Guangxi, Yunnan [India, Laos, Myanmar, Thailand, Viet­nam].