柠檬桉Eucalyptus citriodora

中文名(Chinese Name):柠檬桉
学名(Scientific Name):Eucalyptus citriodora Hook. f.
英文名(English Common Name):lemonscented gum
别名(Chinese Common Name):
异名(Synonym):
科属(Family & Genus):桃金娘科(Myrtaceae)桉属
形态特征(Description):大乔木,高28米,树干挺直;树皮光滑,灰白色,大片状脱落。幼态叶片披针形,有腺毛,基部圆形,叶柄盾状着生;成熟叶片狭披针形,宽约1厘米,长10-15厘米,稍弯曲,两面有黑腺点,揉之有浓厚的柠檬气味;过渡性叶阔披针形,宽3-4厘米,长15-18厘米;叶柄长1.5-2厘米。圆锥花序腋生;花梗长3-4毫米,有2棱;花蕾长倒卵形,长6-7毫米;萼管长5毫米,上部宽4毫米;帽状体长1.5毫米,比萼管稍宽,先端圆,有1小尖突;雄蕊长6-7毫米,排成2列,花药椭圆形,背部着生,药室平行。蒴果壶形,长1-1.2厘米,宽8-10毫米,果瓣藏于萼管内。花期4-9月。
分布(Distribution):原产澳大利亚无霜冻的海岸地带,最高海拔分布为600米。
用途(Use):多作行道树,用于造船;耐海水浸渍,能防止船蛆附蚀,是造船的好木材;叶可蒸提按油,供香料用。
引自中国植物志英文版:FOC Vol. 13 Page 323, 324
Eucalyptus citriodora Hooker in T. L. Mitchell, J. Exped. Trop. Australia. 235. 1848.
柠檬桉 ning meng an | Myrtaceae  | Eucalyptus
Eucalyptus maculata Hooker var. citriodora (Hooker) Bailey.
Trees, to 28 m tall. Bark grayish white, smooth, exfoliating. Young leaves peltate, petiolate; leaf blade lanceolate, with glandular trichomes, base rounded. Leaf blade of intermediate leaves broadly lanceolate, 15-18 × 3-4 cm. Mature leaves strongly smelling of lemon; petiole 1.5-2 cm; leaf blade narrowly lanceolate, 10-15 × ca. 1 cm, slightly twisted, both surfaces with black glands. Inflorescences terminal or axillary, paniculate, umbels 3-flowered; peduncle 3-4 mm, 2-ridged. Flower buds long obovate, 6-7 mm. Hypanthium ca. 5 × 4 mm; stipe 1-6 mm; calyptra ca. 1.5 mm, slightly wider than hypanthium, apex rounded, apiculate. Stamens 6-7 mm, in 2 whorls; anthers elliptic, dorsifixed, cells parallel. Capsule pot-shaped to ovoid, 1-1.2 × 0.8-1 cm; disk broad; valves 3 or 4, included in hypanthium. Fl. Apr-Dec.
Cultivated in Fujian, Guangdong, Guangxi, Guizhou, Hunan, Jiangxi, Sichuan, Yunnan, and Zhejiang [native to NE Australia].
柠檬桉Eucalyptus citriodora

柠檬桉Eucalyptus citriodora

柠檬桉Eucalyptus citriodora(责任编辑:徐晔春)

顶一下[1]

踩一下[0]