Shrub 0.15-1.6 m tall, usually wider than high, lignotuberous. Branchlets tomentose or appressed-pubescent, with hairs ferruginous or white, sometimes quickly glabrous and glaucous. Leaves flexible, flat or trigonous, rarely terete, narrowly linear, 2.5-13 cm long, 1-4 mm wide, not twisted at base, attenuate, entire, rounded apically, tomentose, quickly glabrescent. Inflorescence axillary with 6-8 flowers; involucre 2-3 mm long; pedicels 1.5-4 mm long, woolly-tomentose or appressed-sericeous, with hairs white or cream-yellow, extending onto perianth. Perianth 2-2.6 mm long, cream-white. Pistil 3-3.2 mm long. Fruit sigmoid, 1.8-4.2 cm long, 1.2-2.5 cm wide, black-pusticulate. Seed 13.5-30 mm long; wing encircling seed body.
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