Gray Ironbark

Trees, large. Bark grayish, rough, persistent. Branchlets terete. Young leaves opposite, shortly petiolate; leaf blade broadly lanceolate to ovate, ca. 6 × 2-4 cm. Leaf blade of intermediate leaves broadly lanceolate, 8-10 × ca. 3.5 cm. Mature leaves with a 1-1.5 cm petiole; leaf blade lanceolate, 9-13 × 2-3 cm, slightly oblique, secondary veins at an angle of 40°-50° from midvein and conspicuous, intramarginal veins ca. 0.5 mm from margin. Inflorescences terminal, paniculate, umbels 3-9-flowered; peduncle ca. 1 cm, slightly ridged. Flower buds 7-9 mm. Hypanthium obovoid to obconic, 6-8 mm; stipe 2-10 mm; calyptra pyramidal awl-shaped, shorter than hypanthium, apex slightly acute. Capsule truncately capitate pyriform, 7-9 × ca. 5 mm; disk obscure; valves usually 4, equaling hypanthium rim or included. Fl. Aug-Oct.

Cultivated in Guangdong, Guangxi, and Jiangxi [native to SE Australia].