大桉 da an

Trees, large. Bark at base of trunk rough and flaky, apically silvery white, smooth, and gradually exfoliating. Branchlets grayish white, ridged. Young leaves shortly petiolate; leaf blade broadly lanceolate to ovate, thinly leathery. Mature leaves with a ca. 2 cm petiole; leaf blade lanceolate, 13-20 × 2-2.5 cm, both surfaces with small glands, adaxially dark green and slightly glossy, secondary veins at an angle of 60°-70° from midvein. Inflorescences axillary, simple, umbels 3-10-flowered; peduncle 1-1.5 cm, compressed. Flower buds narrowly obovate, 8-10 × ca. 5 mm. Hypanthium obconic to campanulate; stipe 0-3 mm; calyptra semiglobose to conic, as long or slightly shorter than hypanthium, apex acute to apiculate. Stamens 8-10 mm; anthers oblong, nearly basifixed, dehiscing longitudinally, glands abaxial. Style shorter than stamens. Capsule gray, pyriform to awl-shaped, 7-8 × 6-8 mm; disk narrow; valves 4 or 5(or 6), exserted from hypanthium. Fl. winter-spring.

Cultivated in Guangdong, Guangxi, and Taiwan [native to E and NE Australia].