Robust scrambling shrub; primocanes arching, dark purplish and somewhat pruinose, sharply angled and flat to slightly concave between, with few subsessile glands and otherwise glabrous or almost glabrous; armature of many to numerous, stout, erect prickles mostly on angles but also sometimes between. Young stems moderately to densely hairy and glandular. Leaflets (3)-5, almost glabrous on upper surface, sparsely pilose on veins and lacking tomentum on lower surface, serrate-dentate; terminal leaflet lamina elliptic to narrowly elliptic-obovate, acuminate, 65-90 × 35-55 mm, with petiolule ⅕-4/5 length of lamina. Stipules linear. Infl. densely hairy, with subsessile glands. Sepals attenuate to long-attenuate with expanded apex, tomentose and with longer simple hairs, often with pricklets and short-stalked glands. Petals rounded, crinkled, pale to bright pink. Anthers glabrous.