Rigid multi-stemmed shrub, 0.5-2 m tall, ?lignotuberous. Branchlets and young leaves ferruginous, with hairs appressed or raised, glabrescent. Leaves linear to narrowly obovate, 4.5-23 cm long, entire and 0.2-1.4 cm wide, or 3-5-lobed and 3.5-8.5 cm wide, narrowly cuneate at base; lobes 1-26 mm long, apically rounded or acute. Inflorescence umbelliform with 2-10 flowers; rachis obscure; pedicels 2-5 mm long, tomentose or appressed-pubescent, with hairs white, ferruginous or mixed, the ferruginous hairs extending onto perianth. Perianth 4.5-6.mm long. Pistil 7.5-9.5 mm long; gland U-shaped. Fruit obliquely ovate, 2-3.5 cm long, 0.9-1.3 cm wide, black-pusticulate. Seed obliquely elliptic, 12-20 mm long, broadly flanked by red-brown wood zone; wing narrowly down one side only.
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