Sparingly branched shrub to 5 m. Petiole to 50 cm long, channelled above, clasping base prolonged as an obtuse stipular ligule, and with few narrow ± fimbriate crests around the base of the petiole; blade to 50 cm long, base cordate, palmately lobed (up to 11 lobes), lobes extending to within about ⅓ from the base, narrowly elliptic, margin serrate (or slightly lobulate), apex acuminate, sinuses narrowly rounded. Inflorescence a terminal compound umbel c. 30 cm ø; peduncle stout, bracteate; primary rays 20-30, 4-5 cm long, 5-6 mm wide, flattened, subtended by lanceolate bracts 3-5 cm long, sometimes with bristles on the back, and bearing similar opposite terminal bracts 2.5 cm long, each terminating in three branches; central branch 12-15 mm long, terminating in an umbellule (3-4 cm ø) of c. 20-25 sterile bacciform flowers 5-6 mm ø, 3-4-celled, pedicels to 10 mm, interspersed with persistent small bracts; lateral branches c. 9 cm long, with opposite bracts (c. 6 mm long) 2-3 cm from the base, terminating in a spherical head of c. 30 sessile flowers c. 1.5 cm ø (in bud), bracts between the flowers very small, obtuse, fimbriate. Calyx rim obsolete. Corolla 5-7-lobed above, tubular below, 5 mm long. Stamens 5-6, exserted, filaments 7 mm long, anthers 2 mm long. Ovary 3 mm long, 5-celled. Fruit unknown.
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