大叶相思Acacia auriculiformis

中文名(Chinese Name):大叶相思
学名(Scientific Name):Acacia auriculiformis A. Cunn. ex Benth.
英文名(English Common Name):
别名(Chinese Common Name):耳叶相思
异名(Synonym):earleaf acacia Racosperma auriculiforme (A. Cunn. ex Benth.) Pdeley  Acacia moniliformis Griseb.  Acacia auriculaeformis Benth.
科属(Family & Genus):含羞草科,Mimosaceae金合欢属
形态特征(Description):常绿乔木,枝条下垂,树皮平滑,灰白色;小枝无毛,皮孔显著。叶状柄镰状长圆形,长10-20厘米,宽1.5-4(-6)厘米,两端渐狭,比较显著的主脉有3-7条。穗状花序长3.5-8厘米,1至数枝簇生于叶腋或枝顶;花橙黄色;花萼长0.5-1毫米,顶端浅齿裂;花瓣长圆形,长1.5-2毫米;花丝长约2.5-4毫米。荚果成熟时旋卷,长5-8厘米,宽8-12毫米,果瓣木质,每一果内有种子约12颗;种子黑色,围以折叠的珠柄。
分布(Distribution):原产澳大利亚北部及新西兰,南方引种栽培。
用途(Use):材用或绿化树种;生长迅速,萌生力极强。
引自植物志英文版:FOC Vol. 10 Page 55, 56
Acacia auriculiformis A. Cunningham ex Bentham, London J. Bot. 1: 377. 1842.
大叶相思 da ye xiang si | Fabaceae  | Acacia
Racosperma auriculiforme (A. Cunningham ex Bentham) Pedley.
Trees, evergreen, to 20 m tall. Bark gray-white, smooth. Branches pendulous; branchlets angular, glabrous, with con­spicuous lenticels. Phyllodes falcate-oblong, 10-20 × 1.5-4(-6) cm, conspicuous main veins 3 or 4, both ends attenuate. Spikes 1 to several, fasciculate, axillary or terminal, 3.5-8 cm. Flowers orange-yellow. Calyx 0.5-1 mm, shallowly dentate. Petals ob­long, 1.5-2 mm. Filaments 2.5-4 mm. Ovary densely puberu­lent. Legume contorted when mature, 5-8 × 0.8-1.2 cm, valves woody. Seeds ca. 12, black, ca. 5 × 3.5 mm. 2n = 26*.
Cultivated in Fujian, Guangdong, Guangxi, Zhejiang [native to N Australia and New Guinea].
 大叶相思Acacia auriculiformis

大叶相思Acacia auriculiformis

大叶相思Acacia auriculiformis
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