Glabrous tree, to 14 m. Branches bearing terminal clusters of large leaves. Leaves imparipinnate, up to 80 cm long; petiole c. 12-16 cm, base slightly dilated; leaflets subsessile or with a petiolule to 1 cm; leaflets elliptic to narrowly elliptic, c. 12 by 3.5-6 cm, subcoriaceous, margin entire or sparsely denticulate, slightly revolute, narrowed to an obtuse apex, base cuneate, midrib prominent, lateral veins c. 12. Inflorescence a panicle; primary axis stout, c. 18-22 cm, bearing many secondary branches along its length and in a subumbellate cluster at its apex, bracts caducous; secondary axes c. 22-35 cm, bearing umbellules racemosely along their length, bracts triangular c. 3 mm long; peduncles c. 1.5-3 cm. Flowers c. 10 per umbellule, pedicels 5-6 mm. Calyx a minute rim. Petals 4, oblong. Stamens 4, anthers oblong, 2 mm long, filaments very short. Ovary turbinate, 1½-2 mm high (in anthesis), 4-5-celled, disk flat with 4-5 free styles, at first erect, later divergent. Fruit unknown.
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