Small tree, up to 10 m, with thick branches bearing terminal clusters of large leaves, glabres-cent. Leaves imparipinnate, multijugate, up to 2 m; petiole c. 25 by 1.5 cm, with a short sheathing base; leaflets sessile, oblong, c. 22 by 8 cm, chartaceous, margin crenate, apex slightly to long acuminate, base truncate or subcordate. Inflorescence a large glabrescent panicle; principal rays over 1 m, up to 3 cm ø, each bearing secondary branches (20-40 cm) along its length; bracts broadly ovate, 1 cm long, caducous; umbellules borne racemosely along the secondary branches on peduncles 1-2 cm long (in fruit to c. 4 cm). Flowers c. 6-12 in an umbellule, pedicels 3-5 mm with 2 minute bracts near the middle. Calyx an undulate rim. Petals 5, oblong, 3 mm long. Stamens 5. Ovary turbinate, c. 2 mm long, 5-celled, disk flat, rising to the 5 central erect styles. Fruit subglobose (5-ribbed when dry), 8 by 6 mm, styles spreading and reflexed.
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