Prostrate or climbing herb with a tuberous root; sterns striate, greyish-pubescent or -puberulous with scattered ± long capitate-glandular hairs, sometimes glands very few, rarely quite absent; tendrils present. Leaves ± subfleshy, 3–5-foliolate, sessile or subsessile; leaflet-lamina up to 12 × 5 cm., from narrowly elliptic to obovate when young and ± folded along the midrib, falcate, apex acute, base cuneate, from very sparsely to fairly densely puberulous or pubescent on both surfaces; petiolule up to 1·5 cm. long, grey-pubescent or -puberulous, sometimes with a few scattered capitate glands; stipules c. 5 mm. long, ovate-acuminate, ± falcate, pubescent. Cymes lax, on short axillary branches, trichotomous; peduncle up to c. 5 cm. long, pubescent, sometimes with scattered glandular-capitate hairs; pedicels c. 2 mm. long, densely whitish-pubescent; bracts and bracteoles c. 2 mm. long, linear, pubescent. Flower-bud c. 2·7 mm. long, oblong-cylindric, constricted just above the middle, puberulous. Calyx c. 0·3 mm. long, densely pubescent. Petals greenish or pinkish. Ovary pubescent; style c. 1·7 mm. long, minutely subcapitate. Fruit red, c. 8 × 5 mm., ellipsoid, apiculate, ± densely pubescent. Seed 1, c. 6 × 4 mm., with a dorsal crest, 2 fainter lateral crests, faintly rugose and minutely tuberculate.