毛叶桉Eucalyptus torelliana

中文名(Chinese Name):毛叶桉
学名(Scientific Name): Eucalyptus torelliana F. v. Muell.
英文名(English Common Name):
别名(Chinese Common Name):托里桉
异名(Synonym):
科属(Family & Genus):桃金娘科(Myrtaceae)桉属
形态特征(Description):大乔木;树皮光滑,灰绿色,块状脱落,基部有片状宿存树皮;嫩枝圆形,有粗毛。幼态叶对生,4-5对,叶片卵形,长7-15厘米,宽4-9厘米,下面有毛,盾状着生,有短柄;成熟叶片薄革质,卵形,长10-12厘米,宽5-7厘米,先端尖,基部圆形,侧脉疏,相隔4-10毫米,下面灰色,有短柔毛,边脉离叶缘2-3毫米;叶柄长1-2厘米,有粗毛。圆锥花序顶生及腋生,长8-11厘米,总梗被毛,次级总梗长8-15毫米,圆形;花梗短,长1-3毫米,粗大,无毛,有小鳞片;花蕾倒卵形,长1厘米,宽6-7毫米;萼管半圆形,长6毫米;帽状体长4-4.5毫米,先端圆;雄蕊长8-10毫米,花药倒卵长圆形,纵裂,背部着生;花柱长5-7毫米。蒴果球形,直径1-1.3厘米,上部收缩,萼管口宽5-6毫米,果瓣3,内藏。花期10月。
分布(Distribution):原产澳大利亚东部沿海,喜生于沙质壤土。
用途(Use):木材灰褐色,纹理直,供制作车辆。
引自中国植物志英文版:FOC Vol. 13 Page 323
Eucalyptus torelliana F. Mueller, Fragm. 10: 106. 1877.
毛叶桉 mao ye an| Myrtaceae  | Eucalyptus
Trees, large. Bark at base of trunk gray to black, fibrous and subtessellated, and persistent, apically grayish green, smooth, and exfoliating. Branchlets terete, with rough pubescence. Young leaves opposite, 4 or 5 pairs, peltate, shortly petiolate; leaf blade ovate, 7-15 × 4-9 cm, abaxially pubescent. Mature leaves with a 1-2 cm petiole with rough pubescence; leaf blade ovate, 10-14 × 1-7 cm, thinly leathery, abaxially gray and pubescent, secondary veins few and 4-10 mm apart, intramarginal veins 2-3 mm from margin, base rounded, apex acute. Inflorescences terminal or axillary, paniculate, 8-11 cm, umbels 3- or 7-flowered; peduncle pubescent, secondary peduncle 0.8-1.5 cm, terete. Flower buds obovoid, ca. 10 × 6-7 mm. Hypanthium semiglobose, ca. 6 mm; stipe 0-3 mm; calyptra 4-4.5 mm, apex rounded. Stamens 8-10 mm; anthers obovoid-oblong, dorsifixed, dehiscing longitudinally. Style 5-7 mm. Capsule globose, 1-1.3 cm in diam., apical part constricted; aperture 5-6 mm in diam.; disk broad; valves 3, included in hypanthium. Fl. Oct-Nov.
Cultivated in Fujian, Guangdong, Guangxi, Jiangxi, and Taiwan [native to NE Australia].
毛叶桉Eucalyptus torelliana

毛叶桉Eucalyptus torelliana(责任编辑:徐晔春)

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