Climbing or procumbent herb; stems striate, densely clothed with ± long capitate glandular hairs; tendrils present. Leaves digitately 5-foliolate; petiole up to 7 cm. long, indumentum as for the stems; leaflet-lamina up to 10 × 6 cm., elliptic, apex acute, margin crenate, base cuneate, glabrous above, pubescent on the nerves below and with scattered capitate glands, sessile or subsessile; stipules up to 3 × 2 cm., ovate- or lanceolate-acuminate, margins pubescent and glandular. Cymes on axillary branches, trichotomous; peduncle c. 3 cm. long, pubescent and with glandular hairs; pedicels up to c. 4 mm. long, pubescent and with numerous rather short capitate-glandular hairs; bracts and bracteoles membranous, up to 2 × 0·8 cm., oblong-lanceolate, margins pubescent and often glandular. Flower-bud c. 2·7 mm. long, oblong-cylindric, constricted near the middle, with a single capitate stalked gland near the apex of each petal. Calyx 0·5 mm. long, entire, pubescent. Ovary pubescent and with capitate glands; style 2 mm. long, apex minutely subcapitate. Fruit 1 × 0·8 cm., ellipsoid, pubescent and with shortly stalked capitate glands. Seed 1, c. 7 × 4·5 mm., obovoid-ellipsoid, with a faint dorsal crest and two strong lateral crests, otherwise almost smooth.