Dioecious spreading shrub to 3 m high. Leaves imparipinnate, 1.4–2.8 cm long excluding petiole, rarely to 3.6 cm; lateral leaflets 8–14, rarely as many as 22, linear or oblanceolate to linear-obtriangular, irregularly and finely sinuate to entire, or irregularly sinuate to denticulate, broadly acute to obtuse or irregularly 3-toothed, narrowly cuneate to attenuate at base, 5–15.5 mm long, 1–2 mm wide, glabrous or sparsely puberulent; terminal leaflet shorter and lobe-like, otherwise similar to laterals; petiole 6–20 mm long. Flowers in 3-or 4-flowered axillary cymes, rarely to 6-flowered; pedicels 4.5–10 mm long. Sepals 4, ovate, 1.7–3 mm long, caducous. Stamens 8. Ovary glabrous. Capsule 4-winged, rarely 3-winged, broadly elliptic to broadly oblong in lateral view, 9.5–13 mm long, 10–15 mm wide, glabrous; wings 3–5.5 mm wide, coriaceous; dehiscence septifragal.
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