Scrambling shrub; primocanes arching, greenish red, sharply angled and slightly concave between, with numerous subsessile glands, otherwise glabrous or almost glabrous; armature of many, stout, erect prickles on angles. Young stems with few, scattered eglandular hairs and numerous subsessile glands. Leaflets 5, almost glabrous on upper surface, moderately pilose on veins and with at most sparse tomentum between on lower surface, finely serrate; terminal leaflet lamina obovate-elliptic to orbicular, acuminate, 60-80 × 45-65 mm, with petiolule c. 1/2 length of lamina. Stipules linear to linear-lanceolate. Infl. densely hairy, with subsessile glands. Sepals long-attenuate, tomentose and with longer simple hairs, without pricklets. Petals notched, smooth, white or pink-flushed. Anthers glabrous or with few hairs.