Shrub to 2.5 m tall; lignotubers not known. Branches erect or spreading; young branches densely villous. Leaves with petiole to 2 mm long or absent; lamina narrowly cuneate, 10-40 mm long, with dilated apex, 3-5 marginal spines, mucronate, glabrous, rarely almost unlobed; distal lobes undulate. Conflorescence 7-flowered; bracts numerous, firm; inner bracts c. two-thirds length of perianth. Flowers zygomorphic, crowded, loosely enclosed by bracts. Perianth 25-40 mm long, yellow or reddish pink, dilated, ±glabrous; adaxial suture deepest. Hypogynous glands 2-4, free or variously fused. Style slender; lower half sparsely pilose-villous. Fruit ovoid, 5-8 mm diam., with spines on entire surface. Seeds 2, circular, with narrow, annular wing.
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