Leaf-lamina (3–5)6–14 x (1)2–4 cm., usually broadly lanceolate, sometimes ovate, attenuate at the base into a canali-culate petiole to 1·5–2·5 cm. long and at the apex into an acute tip, membranous to chartaceous, dull green and shining above, light green below, ± patent-pubescent on both surfaces when young, becoming almost glabrous when old; midrib grooved above, very prominent beneath, lateral nerves 2–10 on each side, prominent below, reticulation close and very conspicuous, usually with a gland dot in each mesh.
Female flower: perianth as in male; staminodes similar to the stamens but very small (c. 1 mm. long); ovary 3·2 x 1·5 mm., ovoid, gland-dotted and sometimes pilose; style up to 2·5 mm. long, glabrous or patent-pilose; stigma capitate, papillose, reddish.
Cymes paniculate, the male panicles larger than the female; rhachis of the inflorescence and pedicels usually densely ± patent-pubescent; bracteoles minute, up to 1·5 mm. long, pilose; pedicels c. 2 mm. long.
Tree up to 20 m. tall, with pale bark and pendent foliage, the leaves, young shoots and inflorescences dotted with oil-cavities.
Capsule 3–4 x 2–2·5 mm., ellipsoid, loculicidal, 2(3)-valved, gland-dotted, sometimes pubescent.
Seeds slightly curved, the outer ones longer and narrower, 2–3 x 0·5 mm., winged at both ends.