Andromonoecious or gynomonoecious erect shrub to 3 m high. Leaves imparipinnate, 7.4–15 cm long excluding petiole; lateral leaflets 28–46, oblong to oblong-lanceolate, acute, acuminate or mucronate, entire, cuneate and oblique at base, 10.5–21.5 mm long, 3–6 mm wide, sparsely pubescent; terminal leaflet narrowly elliptic or lanceolate, 9–15 mm long, rarely to 23 mm, 2–4 mm wide, otherwise similar to laterals; petiole 12–21 mm long. Flowers in terminal panicles; pedicels 7–11 mm long. Sepals 4–6, ovate, 3.3–6 mm long, persistent. Stamens 10–12, rarely to 16. Ovary sparsely pubescent. Capsule 3-winged, transversely obovate in lateral view, 12–17 mm long, 21–27 mm wide, sparsely pubescent; wings 7–10 mm wide, membranous; dehiscence septifragal.
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