Stems erect. Wood and pith bright yellow. Leaves frequently reddish tinged, 5-10 dm; petioles basally enlarged and clasping. Leaflets 9-81, nearly sessile, leaflet blades 4-11 1.5-3 cm, base cuneate, apex acuminate. Inflorescences with hundreds of flowers, 1-2 dm. Flowers fragrant, pedicellate; perianth segments imbricate, weakly 2-4-seriate. Berries 6-9 mm. Seeds mostly 2. 2 n = 20.