Small trees, 4-5 m tall; branches glabrous, grayish brown. Leaves usually 3(or 5)-foliolate; rachis 3-11 cm, grayish brown, glabrous; petiolule of terminal leaflet 8-25 mm, that of lateral ones 7-14 mm; leaflet blades oblong or elliptic-ovate, (7-)8-12 × (3-)4-4.5 cm, papery, glabrous, dark green adaxially and pale abaxially, main vein prominent abaxially, lateral veins 7-9 pairs, impressed adaxially, base cuneate to obtuse, margin serrate, slightly revolute, apex acuminate. Panicle terminal, ca. 12 cm, slightly pubescent; bracts deltoid. Pedicel 2-6 mm. Sepals 5, oblong-elliptic, 4-7 mm, ciliate. Petals spatulate, 8-10 mm, glabrous. Stamens reciprocal on petals; filaments ca. 8 mm, slightly pubescent; anthers ca. 2 mm. Ovary 3-locular, with 6-8 ovules per locule; styles 3. Capsule 4-6 × 1.2-2 cm, columnar-campanulate, base acute. Seeds ca. 3.5 mm, shining. Fl. Apr, fr. Apr.
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