台湾相思Acacia confusa

中文名(Chinese Name):台湾相思
学名(Scientific Name):Acacia confusa Merr.
英文名(English Common Name):small Philippine acacia
别名(Chinese Common Name):相思树、台湾柳
异名(Synonym):Acacia confusa var. inamurae Hayata  Racosperma confusa (Merr.) Pedley  Racosperma confusum (Merr.)Pedley
科属(Family & Genus):含羞草科,Mimosaceae金合欢属
形态特征(Description):常绿乔木,高6-15米,无毛;枝灰色或褐色,无刺,小枝纤细。苗期第一片真叶为羽状复叶,长大后小叶退化,叶柄变为叶状柄,叶状柄革质,披针形,长6-10厘米,宽5-13毫米,直或微呈弯镰状,两端渐狭,先端略钝,两面无毛,有明显的纵脉3-5(-8)条。头状花序球形,单生或2-3个簇生于叶腋,直径约1厘米;总花梗纤弱,长8-10毫米;花金黄色,有微香;花鲁长约为花冠之半;花瓣淡绿色,长约2毫米;雄蕊多数,明显超出花冠之外;子房被黄褐色柔毛,花柱长约4毫米。荚果扁平,长4-9(12)厘米,宽7-10毫米,干时深褐色,有光泽,于种子间微缢缩,顶端钝而有凸头,基部楔形;种子2-8颗,椭圆形,压扁,长5-7毫米。花期3-10月;果期8-12月。
分布(Distribution):产台湾、福建、广东、广西、云南;野生或栽培。菲律宾、印度尼西亚、斐济亦有。
用途(Use):本种生长迅速,耐干旱,为华南地区荒山造林、水土保持和沿海防护林的重要树种。材质坚硬,可为车轮,桨橹及农具等用;树皮含单宁;花含芳香油,可作调香原料。
引自植物志英文版:FOC Vol. 10 Page 55, 56
Acacia confusa Merrill, Philipp. J. Sci., C. 5: 27. 1910.
台湾相思 tai wan xiang si| Fabaceae  | Acacia
Acacia confusa var. inamurae Hayata; Racosperma con­fusum (Merrill) Pedley.
Trees, evergreen, 6-15 m tall, glabrous. Branches gray or brown, unarmed; branchlets slender, angular. Phyllodes straight or slightly falcate, linear-lanceolate, 6-10 × 0.5-1.3 cm, leath­ery, both surfaces glabrous, conspicuous longitudinal veins (3-)5(-8), both ends acuminate, apex slightly obtuse, usually with hooked acumen. Heads solitary or 2- or 3-fasiculate, axil­lary, globose, ca. 0.7 cm in diam.; peduncles 7-13 mm, slender. Flowers golden yellow, fragrant. Calyx 1-1.3 mm. Petals greenish, 1.5-1.9 mm. Stamens numerous, ca. 3.5 mm. Ovary yellow-brown villous; style ca. 4 mm. Legume black-brown, flat, 4-9(-12) × 0.7-1 cm. Seeds broadly elliptic, 5-6 × 3.5-5 mm. Fl. Mar-Oct, fr. Aug-Dec. 2n = 26*.
Widely cultivated in Fujian, Guangdong, Guangxi, Hainan, Jiang­xi, Sichuan, Taiwan, Yunnan, Zhejiang [native to Philippines].
This tree is grown for its wood and tannins. The seeds are poi­sonous.
台湾相思Acacia confusa

台湾相思Acacia confusa

台湾相思Acacia confusa(责任编辑:徐晔春)

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