Shrub to 2 m tall; flowering seasonal shoots arising directly from lignotuber. Leaves usually broadly ovate to obovate in outline, to 30 (-50) cm long including petiole, pinnate or pinnatisect to 3-pinnate or 3-pinnatisect, glabrous to densely ferruginous-hairy on rachis; pinnae or lobes 7-17 (-23), sessile to petiolulate, linear to ovate, to 10 cm long, cuneate to decurrent, entire to deeply toothed with teeth sometimes pungent, glabrous to densely hairy below; venation usually conspicuous. Conflorescence terminal, solitary or aggregated, to 45 cm long, exceeding leaves; peduncle and pedicel usually glabrous, sometimes ferruginous-hairy; pedicel 8-13 mm long. Perianth 8-12 mm long, white or cream, glabrous. Gynophore (6-) 7-10 mm long. Style 4-6 mm long. Follicle 2.5-4 cm long, dark grey-brown. Seeds 4-6 mm long; wing 10-15 mm long.
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