Straggling or erect, single or few-stemmed shrub, 1-3 m tall, lignotuberous. Branchlets glabrous. Leaves narrowly ovate or ovate throughout, 3-18 cm long, 20-65 mm wide, amplexicaul, dentate with 12-30 2-6 mm long teeth per side, glabrous, glaucous. Inflorescence on short glabrous axillary peduncle, with c. 36-42 flowers; involucre 11-14 mm long; rachis 5-10.5 mm long, villous; pedicels 6-14 mm long, glabrous. Perianth 4-6 mm long, white, often pink-tinged. Pistil 8-14.5 mm long. Fruit obliquely ovate, 3-3.5 cm long, smooth apart from small protuberances along valve, glabrous. Seed obliquely ovate, 26-30 mm long, 9-11 mm wide; wing partly down one side of seed body only if at all.
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