Description from Flora of China
Trees, large. Bark dark brown, fibrous, persistent. Branchlets terete or obtusely ridged, slender, pendulous. Young leaves opposite, sessile or shortly petiolate; leaf blade elliptic to broadly lanceolate, ca. 7 × 3 cm, thin. Mature leaves with a 1-1.5 cm petiole; leaf blade ovate-lanceolate, 8-10 × 2.5-4 cm, thinly leathery, both surfaces with numerous black glands, secondary veins few, 5-8 apart, and at an angle of ca. 70° from midvein, base rounded, apex sharp. Inflorescences terminal panicles or 5-8-flowered axillary umbels near branchlet apex; peduncle 1-1.5 cm, ridged. Flower buds obovoid, ca. 5 mm. Hypanthium shortly clavate, 3-4 mm in diam.; stipe 4-5 mm; calyptra semiglobose, ca. 1.5 mm. Stamens ca. 5 mm; anthers cordate. Capsule obovate, ca. 6 × 4 mm, base narrow, margins narrow, aperture of fruiting hypanthium slightly constricted; disk moderately broad; valves 3 or 4, included to slightly exserted from hypanthium. Fl. Dec-Jan.
Cultivated in Guangdong, Guangxi, and Taiwan [native to E Australia].