Shrub, 0.25-3 m tall, lignotuberous or not. Branchlets glabrous, not glaucous. Leaves subpetiolate, flat, rigid, narrowly elliptic to obovate, 1.5-9 cm long, (4-) 10-30 mm wide, narrowly cuneate, usually with 1-6 mucronate teeth 1-4 mm long per side, rarely entire, glabrous or appressed-sericeous, glaucous. Inflorescence axillary or terminal on short shoots with 16-36 flowers; involucre 6.5 mm long; rachis 6-16 mm long, tomentose or appressed-pubescent, with hairs white; pedicels 4-8 mm long. Perianth 2.5-3.5 mm long, white or pale yellow. Pistil 3.5-4 mm long. Fruit obliquely ovate, 2.5-3.5 cm long, 1.5-2.5 cm wide, black-pusticulate, not apiculate; horns 4-6 mm long. Seed narrowly obovate, c. 24 mm long; wing broadly down one side of seed body, narrowly down other.
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