Spreading shrub, c. 0.75 m tall. Branchlets densely villous. Leaves rigid, elliptic in cross-section, narrowly obovate, 1.2-4 cm long, 1-2 mm wide, usually with 3 (-6) irregularly inserted mucronate segments towards apex, rarely entire, initially densely tomentose; mucro 3-4.5 mm long. Inflorescence with c. 30 flowers; involucre 6-10 mm long; rachis 4-5 mm long, densely villous; pedicels 3-7 mm long. Perianth c. 8 mm long, white. Pistil 23-25 mm long; ovary glabrous; gland present. Fruit 2-2.3 cm long, c. 1 cm wide, glabrous, tuberculate, with tubercles black-pusticulate at apex; horns 0.5 mm long. Seed narrowly ovate or elliptic, 10-11 mm long; wing narrowly down one side of seed body only.
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