Erect sparingly branched shrub, 2-3 m tall; resprouting capacity unknown. Branchlets glabrous by flowering. Leaves elliptic to obovate, sometimes undulate, 4.2-8.5 cm long, 13-23 mm wide, attenuate at base, entire, acuminate; longitudinal veins 1-3 above (sometimes obscure), 3-5 below; secondary veins pinnate, visible or obscure. Inflorescences 1-3 per axil with 10-16 flowers per raceme; pedicels glabrous. Perianth white. Pistil 5-6.3 mm long; gland present. Fruit obliquely ovate, 1.6-2.5 cm long, 0.9-1.8 cm wide, beaked. Seed obliquely elliptic, 13-16 mm long; wing extending broadly and partly down one side of body only, notched near base, blackish brown.