Plants large. Dioecious. Stems surface slightly rough; branchlets smooth. Leaves fascicled. Petiole slender, 5--8 cm; leaf blade pinnately 3-foliolate; petiolules 1--4(--6) cm; leaflets oblong, elliptic, or oblong-lanceolate, 7--15 × 3--7 cm, subleathery, abaxially slightly glaucous, adaxially shiny, base rounded to cuneate and sometimes asymmetric on lateral leaflets, apex acuminate to short mucronate; secondary veins 4--6 pairs; tertiary veinlets and secondary veins conspicuously prominent on both surfaces. Racemes 2--5, many flowered; bracts persistent, broadly ovate, less than 1 mm; peduncle short. Flowers white and slightly pale green; bracteoles broadly ovate, less than 1 mm; petals ovate to lanceolate, ca. 1.5 mm. Male flowers: pedicel ca. 9 mm. Sepals 5.5--6.5 mm, outer 3 ovate, inner 3 lanceolate. Filaments basally connate into a short tube, apically slightly free; connective apical appendage subulate, hornlike, longer than anther. Pistillodes 3, filiform, slightly longer than filament tube. Female flowers: pedicel 1.5--2 cm. Sepals 1.2--1.5 cm, outer 3 ovate-lanceolate, inner 3 linear-lanceolate. Staminodes as long as petals; connective apically appendaged, longer than anthers. Carpels ovoid. Stigma subulate. Fruit obovoid-oblong, ca. 3.5 × 2 cm, minutely tuberculate. Fl. Nov.
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