Upright stiff broom-like shrub, 1-3.5 m tall, non-lignotuberous. Branchlets and young leaves ferruginous. Leaves 2.5-13 cm long, 1-1.5 mm wide, constricted basally, ungrooved; mucro bent. Inflorescence with 2, 4 or 6 flowers; involucre c. 3 mm long; pedicels 2-2.5 mm long, densely appressed-sericeous, with hairs white, extending onto perianth. Perianth 4.5-5.5 mm long. Pistil 7.5-10 mm long; disc of pollen presenter 0.8-0.9 mm long; gland 1.2-1.4 mm long, ±erect. Fruit erect or inserted at angle to stalk, obliquely obovate, 2.5-3.8 cm long, 2-3 cm wide, finely black-pusticulate or smooth; beak decurrent down one side; apiculum 1-2 mm long. Seed 16-23 mm long, occupying part of valve; wing encircling seed body.