Leaves digitately 3–5-foliolate; petiole up to 5 cm. long, indumentum as for stems; leaflet-lamina up to 7 × 4·5 cm., sessile or sub-sessile, elliptic to obovate, apex acuminate, margin crenate-serrate, base cuneate, glabrous above, sparsely pubescent and with capitate-glandular hairs on the nerves below; stipules c. 7 mm. long, lanceolate-acuminate, ± falcate, pubescent.
Cymes on axillary branches; peduncle up to 8 cm. long, pubescent and often with some capitate-glandular hairs; pedicels up to 2 mm. long, pubescent or puberulous; bracts and bracteoles 1–2 mm. long, filamentous, pubescent.
Flower-bud up to 2 mm. long, oblong-cylindric, constricted near the middle, slightly pubescent at the petal margins.
Scandent or climbing herb; stems sparsely pubescent and with a few capitate-glandular hairs; tendrils present.
Seed 1, c. 6 × 5 mm., ellipsoid, with a dorsal and two lateral crests, rugose.
Ovary glabrous; style c. 1·2 mm. long, apex minutely 2-fid.
Calyx 0·5 mm. long, subentire, puberulous.
Fruit c. 7 × 5 mm., ellipsoid, glabrous.