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Dinghushan | Family List | Myrtaceae | Eucalyptus

Eucalyptus robusta Sm.

大叶桉

Description from Flora of China

Trees, to 20 m tall. Bark dark brown, rough and subfibrous, persistent. Branchlets ridged. Young leaves opposite, petiolate; leaf blade thickly ovate, ca. 11 × 7 cm, leathery. Mature leaves with a 1.5-2.5 cm petiole; leaf blade ovate-lanceolate, 8-17 × 3-7 cm, oblique, thickly leathery, both surfaces glandular, secondary veins numerous, conspicuous, and at an angle of ca. 80° from midvein, intramarginal veins 1-1.5 mm from margin. Inflorescences axillary, simple, umbels 4-8-flowered; peduncle less than 2.5 cm, compressed. Flower buds 1.4-2 × 0.7-1 cm. Hypanthium semiglobose to obconic, 7-9 × 6-8 mm; stipe 0-9 mm, angular; calyptra ± as long as hypanthium, apex constricted into a beak. Stamens 1-1.2 cm; anthers elliptic, dehiscing longitudinally. Capsule pot-shaped, sometimes somewhat constricted in middle, 1-1.5 cm; disk broad; valves 3 or 4, included in hypanthium. Fl. almost year-round.

Cultivated in Anhui, Fujian, Guangdong, Guangxi, Guizhou, Hainan, Hunan, Jiangxi, Sichuan, Taiwan, Yunnan, and Zhejiang [native to E Australia].

生活型: 乔木

栽培植物: 栽培

特征: 乔木;

花期: 9

果期: 翌年3月

生境: 栽培

用途: 公路、行道绿化树种;木材易弯裂,供枕木、桥 梁等用;枝、叶可提取芳香油,作香精、防腐剂;叶供药用,能消炎杀菌、驱风止痛、防腐止痒,可防治流感、流脑及治肠炎、痢疾、乳腺炎、溃疡、疮疖、跌打肿痛、皮肤搔痒等病;树皮含单宁和阿拉伯胶;蜜源植物

门中名: 种子植物门

亚门中名: 被子植物亚门

纲中名: 双子叶植物纲

中文别名: 桉树、有加利


 

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