Erect shrub, c. 2 m, becoming glabrous. Leaves clustered towards the ends of the branches; petiole c. 45 cm, terete, striate, 4-5 mm wide, base with a stipular ligule c. 1.5 cm long, and 2-3 fimbriate or pectinate crests; blade digitately compound, leaflets 5-9, subcoriaceous; petiolules of the central leaflets to 5 cm long, lateral leaflets ± sessile; leaflets elliptic-lanceolate, mid-leaflet to c. 25 cm long, base decurrent on the slightly winged petiolule, apex caudate-acuminate, the larger leaflets with 1-3 pairs of lyrate lobes reaching almost to the midrib, lobes ascending, margin slightly revolute with often prominent usually incurved teeth. Inflorescence a terminal compound umbel, c. 18 cm ø; peduncle stout, c. 2 cm, bearing few ligulate bracts c. 1.5-2 cm long, rough, with short setae on the back; primary rays c. 25, c. 4-5 cm long, glabrous and striate, subtended by ligulate bracts, similar opposite bracts at the apex, c. 1 cm long; central branch 1-1.5 cm long, glabrous, ending in a whorl of obtuse rough coriaceous bracts c. 3 mm long and a head (c. 1 cm ø) of sterile bacciform flowers c. 3 mm ø, on pedicels 3-8 mm; lateral branches 4-5 cm long, with opposite fimbriate bracts near the middle, bearing an ellipsoid head of c. 20 sessile flowers, each flower subtended and ± enclosed by an ovate fimbriate bract 3-4 mm long. Calyx an obsolete rim. Petals and stamens unknown. Ovary 2-2.5 mm long, turbinate, obscurely angled, 4-celled. Fruit unknown.
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