Scrambling shrub; primocanes low-arching and interlacing, distinctly whitish pruinose, becoming reddish, ± sharply angled and ± flat between, with few subsessile glands, and usually sparsely to moderately clothed in mostly stellate hairs, rarely finally glabrous; armature of few to many stout, erect to slightly falcate prickles on angles. Young stems with stellate tomentum, and scattered simple hairs and subsessile glands. Leaflets 5, glabrous or almost glabrous on upper surface, pilose on veins and with dense whitish tomentum between on lower surface, 1-2-serrate; terminal leaflet lamina oblong to narrow-obovate, acuminate, 30-80 × 20-50-(60) mm, with petiolule ⅓-⅖ length of lamina. Stipules linear. Infl. densely hairy, with subsessile glands. Sepals acuminate, tomentose and with very few, longer, simple hairs, usually without but sometimes with pricklets. Petals rounded, strongly crinkled, bright pink. Anthers glabrous.