Norrisia malaccensis Gardner

Tree 10-30 m by 32-40 cm ø. Twigs terete, nearly always densely set with minute, warty, white lenticels. Leaves faintly pubescent to glabrous, elliptic to oblong, 6.5-10 by 2.75-4 cm, thin-coriaceous, base cuneate, attenuate, apex usually shortly acute-acuminate, rarely blunt; midrib prominent and keeled beneath, nerves 6-8 pairs, usually distinctly ascending, fairly strongly curved, usually distinctly looped and joined at some distance from the margin, flat above, prominulous beneath; petiole 0.5-1 cm, slender. Inflorescences terminal, often thyrsoid, 4½-8½ cm long incl. the 2.5-4.5 cm long peduncle. Largest bracts 1.5-2 mm long. Tube of the corolla 4.5 mm, inside sparsely hairy, the base excepted. Anthers oblong, c. 4/5 mm. Ovary 1 mm; style 6-7.5 mm. Fruits apparently scarce, 2-3.5 by 1.75 mm. Seeds few, c. 2 mm long, very delicate.

Primary and secondary lowland rain forest, sometimes forming pure stands in old secondary forest; often found along rivers, in swamp forest or periodically inundated locations, but also in well-drained habitats; at elevations to 900 metres.

Can be grown by seedlings.