Semi-erect, robust, scrambling shrub; primocanes low-arching and sometimes almost procumbent, purplish, sharply angled and flat to slightly concave between, with many subsessile glands and sparsely clothed in simple and stellate hairs; armature of many, stout, erect prickles on angles. Young stems moderately to densely hairy and glandular. Leaflets 5, sometimes the basal pairs fused, almost glabrous to sparsely pilose on upper surface, pilose on veins and lacking tomentum on lower surface, serrate-dentate; terminal leaflet lamina elliptic to obovate, acuminate, 70-110 × 40-70 mm, with petiolule c. 1/4-1/2 length of lamina. Stipules linear to narrow-lanceolate. Infl. densely hairy, with subsessile glands. Sepals acuminate, tomentose and with longer simple hairs, without pricklets. Petals rounded to notched, smooth or slightly crinkled, pale pink. Anthers usually glabrous.