Trees, ca. 6 m tall to much taller. Branches gray, slightly ridged and furrowed, subglabrous, lenticels inconspicuous. Leaves imparipinnate; petiole ca. 40 cm or more; leaflets 7-11; petiolules inflated, less than 1 cm; blades slightly shiny, oblong to lanceolate, 15-45 × 5-12 cm, thinly leathery, glabrous, lateral veins 15-18 pairs, evidently prominent abaxially, minutely concave adaxially, base cuneate, margin entire, apex shortly acuminate, slightly mucronate. Inflorescences cauliflorous, several fascicled, pilose. Pedicels 1-2 mm. Calyx ca. 3 mm in diam., tomentose, 5-lobed, lobes ovate. Petals 5, smaller than calyx, tomentose; scale scutelliform. Disk crateriform, entire. Stamens 6-8, exserted; filaments glabrous. Ovary red, tomentose. Capsules yellow, usually ellipsoid, to 3 cm in diam., woody, with dense conical spines. Fr. autumn.

Wet forests; ca. 300 m. Yunnan (Yinjiang) [Myanmar].