绒毛紫矿 rong mao zi kuang

Woody climbing shrubs. Old branches grayish brown, gla­brous; young branchlets blackish brown, velutinous, with whitish yellow hairs. Petiole 10-13 cm; stipels subulate, ca. 3 mm, hairy; petiolules ca. 5 mm, like petiole densely velutinous with whitish yellow hairs; leaflets obovate-rhomboid, 6-8 × 4-6.5 cm, densely velutinous with whitish yellow hairs on both surfaces, especially on margin and abaxially, lateral veins 6-8 pairs, conspicuous on both surfaces, reticulate veins indistinct, areoles obscure abaxially, base rounded or broadly cuneate, apex emarginate or not; terminal leaflet (immature) ca. 6 cm from lateral ones. Racemes few flowered. Calyx light green. Leg­umes (immature) oblong, slightly curved, very compressed, 14-17 × 3-4 cm, dorsal and ventral sutures densely velutinous with whitish yellow hairs; wing with reticulate veins, sparsely hairy; stipe ca. 1.5 cm, densely velutinous. Seed blackish brown, shiny, reniform, compressed, 2-2.2 × 3.3-3.5 cm. Fr. Jun-Jul.

● Yunnan (Xishuangbanna).