Trees 13-20 m tall. Branchlets prickly. Leaves (13-)17-25-foliolate; rachis unarmed; petiolules 5-7 mm; leaflet blades opposite, oblong to obovate, 1.5-2 × 0.6-0.8 cm, papery, glabrous, adaxially lustrous when dry, oil glands inconspicuous, midvein adaxially impressed, secondary veins adaxially ridged, base oblique, margin entire, apex cuspidate with a blunt tip. Inflorescences terminal or axillary, to 25 cm. Flowers 4-merous. Perianth in 2 series. Petals white, ca. 3 mm. Male flowers: stamens 4; rudimentary gynoecium shortly conic. Female flowers 1-carpelled. Fruit pedicel 3-5 mm; follicle single, ca. 7 mm in diam. Seeds ca. 6 mm in diam.