Rounded cauliflorous shrub, 1-3 m tall, non-sprouting. Branchlets densely appressed-sericeous at flowering (woody flowering branches glabrous). Leaves narrowly oblong-elliptic, 3-10 cm long, 9-23 mm wide, narrowly cuneate at base, obtuse to acute, bright green, quickly glabrescent; longitudinal veins 3; secondary veins not visible. Inflorescences at nodes on bare wood below leafy parts, rarely axillary, with 40-50 flowers; pedicels 3.5-4.5 mm long, glabrous. Perianth (and pistil) opening white, soon deep pink. Pistil 18.2-20.7 mm long; gland a V-shaped flap, 0.5-0.7 mm high. Fruit 1-7 per node, often fused together, obliquely ovate-elliptic, 1.8-2.8 cm long, 0.1-1.3 cm wide, curved at base, shortly beaked, narrowly flanged adaxially. Seed obliquely narrowly ovate, 13-17 mm long; wing extending down both sides of body and very narrowly around base, notched on one side, blackish brown.