Erect, small, sparsely branched shrub, up to 1.5 m. Leaves clustered at the ends of the branches; petiole to 25 cm, terete, base prolonged as a stipular ligule c. 1 cm long, and with c. 3 entire crests at the base; blade palmately 5-lobed, 24 cm long, base truncate or cordate, lobes reaching to within 3-6 cm from the base, elliptic, 4-6 cm wide, narrowed towards the broadly rounded sinuses, tapered to an acute apiculum, margin serrate in the upper part, the outer lobes with a lobule on the lower edge. Inflorescence a terminal compound umbel, 9 cm ø, subtended by a few foliaceous bracts; peduncle stout, 2-3 cm, with furfuraceous, oblong bracts; primary branches crowded, numerous, 2.5 cm, furfuraceous, flattened, striate with opposite minute bracts at the apex; central branch c. 3 mm, bearing an umbellule of sterile, bacciform flowers 3½ mm ø, pedicels 4.5 mm; lateral branches 3-3.5 cm, articulated about the middle, terminating in an umbellule of c. 15 flowers, bracts inconspicuous, fimbriate, pedicels 1.5-2 mm. Calyx an obsolete rim. Corolla and stamens not known. Ovary 1.5-2 mm, 4-celled, with a flat disk and a raised central stigmatic boss, 4-celled. Fruit 6 by 4 mm (dry) 4-ribbed; pyrenes crusta-ceous; endosperm rugose.