Description from Flora of China
Maughania chappar (Buchanan-Hamilton ex Bentham) Kuntze.
Shrubs, erect, ca. 1 m tall. Branchlets slender, densely brown villous. Leaves simple; stipules narrowly ovate, ca. 2 mm, deciduous; petiole ca. 1.5 cm, densely deciduous brown villous; leaf blade orbicular-cordate, 4-4.5 cm, papery or thinly leathery, glabrous or sparsely pubescent except veins, abaxial surface with dense, orange, sessile glands, basal veins 3, lateral veins 3 pairs, base slightly cordate, apex rounded or obtuse. Inflorescence an axillary or terminal thyrse; inflorescence axis 3-7 cm, densely brown hairy; cymules each enclosed by concave bract; bracts 1.5-2 × 1.8-3.8 cm, membranous, glabrous, with obvious reticulate veins, persistent, apex emarginate. Flowers 6-9 mm; pedicel 0.4-1.6 cm, densely hairy. Calyx 5-lobed, 4-5 mm, densely pubescent, with orange glands; lobes lanceolate, subequal to tube. Standard with lobe as long as broad, contracted above auricles, and obovate or obcordate; wings oblong; keel slightly curved. Legume elliptic, 10-15 × 6-10 mm, densely brown villous. Fl. Dec-Mar, fr. Mar-May.
Forests. Yunnan [Cambodia, India, Laos, Myanmar, Nepal, Thailand].