Much-branched, straggly shrub, 1-3 m tall, lignotuberous. Branchlets and young leaves densely appressed-pubescent. Leaves terete or flat; mucro erect or bent. Inflorescence axillary or on old wood with c. 20 flowers; rachis 0.5-2.5 mm long; pedicels 4.5-5.5 mm long, moderately appressed-pubescent, with white or ferruginous hairs. Perianth 3.5-6 mm long, mid-to deep red, black with age, sparsely appressed-pubescent on limb, denser on claw, hairs white throughout except for ferruginous limb apex. Pistil 21-22 mm long, red; pollen presenter 1-1.4 mm long. Fruit obliquely ovate, 4-5 cm long, 1.5-2.6 cm wide, smooth; apiculum 8-10 mm long. Seed obliquely ovate, 22-27 mm long; wing broadly down one side of seed body only, or broadly down one side and narrowly down other.