Trees 5–10 m tall. Branchlets dark gray to grayish brown, terete, tomentose when young, glabrate, lenticellate; buds narrowly ovoid, 0.9–1.7 cm, apex acute; scales reddish brown, glabrous or pubescent apically. Leaves imparipinnate, together with rachis 20–25 cm; petiole 5–6 cm; stipules sometimes caducous after anthesis, suborbicular, 1–2 × 1–1.7 cm, coarsely sharply serrate; rachis abaxially glabrous or pubescent near base of petiolules, adaxially shallowly sulcate, ± winged; leaflets 6 or 7 pairs at intervals of 1.5–3 cm, terminal and basal ones usually smaller than middle ones, blades oblong-elliptic or oblong-lanceolate, 5–8.5 × 1.8–2.5 cm, lateral veins 17–20 pairs, slightly arching and anastomosing at margin, both surfaces glabrous or abaxially pubescent along midvein, base broadly cuneate or rounded, margin entire basally, minutely serrate apically, with 8–20 teeth per side, apex acute or acuminate. Inflorescences 6.5–12 × 8–20 cm, densely flowered; rachis and pedicels pubescent, with many small lenticels; bracts similar to stipules, but smaller. Pedicel 2–4 mm. Flowers 6–7 mm in diam. Hypanthium campanulate, abaxially pubescent. Sepals triangular, 1–2.5 mm, abaxially slightly pubescent or glabrous, apex obtuse. Petals white, ovate, 3–3.5 × 2.5–3 mm, adaxially glabrous or puberulous, rarely slightly emarginate at obtuse apex. Stamens 20, shorter than petals. Styles 3–5, not exceeding stamens, densely pubescent basally. Fruit orangish red, ovoid, 5–8 mm in diam.; sepals persistent, erect. Fl. May–Jun, fr. Aug–Sep. 2n = 34*.
Can be grown by cuttings, graftings or seedlings. Seeds needs stratification.
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