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阔荚合欢Albizia lebbeck

时间:2018-08-14 08:00来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ):阔荚合欢 学名( Scientific Name ): Albizia lebbeck (L.) Benth. 英文名( English Common Name ): 别名( Chinese Common Name ): 大叶合欢 异名( Synonym ): Mimosa lebbeck L. Acacia lebbeck (L.) Willd. Feuillee
中文名(Chinese Name):阔荚合欢
学名(Scientific Name):Albizia lebbeck (L.) Benth.
英文名(English Common Name):
别名(Chinese Common Name):大叶合欢
异名(Synonym):Mimosa lebbeck L.  Acacia lebbeck (L.) Willd.  Feuilleea lebbeck (L.) Kuntze  Mimosa sirissa Roxb.  Albizia latifolia B.Boivin  Acacia speciosa (Jacq.)Willd.  Acacia lebbek (L.)Willd.  Inga leucoxylon Hassk.  Pithecellobium splitgerberianum Miq.  Inga borbonica Hassk.  Albizia lebbeck var. leucoxylon Hassk.  Albizia lebbeck var. rostrata Haines  Albizia lebbeck var. pubescens Haines
科属(Family & Genus):含羞草科,Mimosaceae合欢属
形态特征(Description):落叶乔木,高8-12米;树皮粗糙;嫩枝密被短柔毛,老枝无毛。二回羽状复叶;总叶柄近基部及叶轴上羽片着生处均有腺体;叶轴被短柔毛或无毛;羽片2-4对,长6-15厘米;小叶4-8对,长椭圆形或略斜的长椭圆形,长2-4.5厘米,宽(0.9-)1.3-2厘米,先端圆钝或微凹,两面无毛或下面疏被微柔毛,中脉略偏于上缘。头状花序花时直径3-4厘米;总花梗通常长7-9厘米,1至数个聚生于叶腋;小花梗长3-5毫米;花芳香,花萼管状,长约4毫米,被微柔毛;花冠黄绿色,长7-8毫米,裂片三角状卵形;雄蕊白色或淡黄绿色。荚果带状,长15-28厘米,宽2.5-4.5厘米,扁平,麦秆色,光亮,无毛,常宿存于树上经久不落;种子4-12颗,椭圆形,长约1厘米,棕色。花期5-9月;果期10月至翌年5月。
分布(Distribution):我国广东、广西、福建、台湾有栽培。原产热带非洲,现广植于两半球热带、亚热带地区。
用途(Use):本种生长迅速,枝叶茂密,为良好的庭园观赏植物及行道树。边材白色,心材暗褐色,光亮而有斑纹,质坚硬,耐朽力强,适为家具、车轮、船艇、支柱、建筑之用。叶可作家畜的饲料。
引自植物志英文版:FOC Vol. 10 Page 62, 64
Albizia lebbeck (Linnaeus) Bentham, London J. Bot. 3: 87. 1844.
阔荚合欢 kuo jia he huan | Fabaceae  | Albizia
Mimosa lebbeck Linnaeus, Sp. Pl. 1: 516. 1753; Acacia lebbeck (Linnaeus) Willdenow.
Trees, deciduous, 8-12 m tall. Bark rough. Branchlets mi­nutely pubescent, glabrous when old. Stipules caducous, small; leaf rachis with disklike glands near base and at base of pinnae, pubescent or glabrous; pinnae 2-4 pairs, 6-15 cm; leaflets 4-8 pairs, narrowly elliptic or slightly obliquely oblong, 2-4.5 × (0.9-)1.3-2 cm, both surfaces glabrous or abaxially sparsely finely pubescent, main vein slightly closer to upper margin, apex obtuse or retuse. Peduncles axillary, 2 or more together, to 10 cm; corymbs 30-40-flowered. Flowers dimorphic, fragrant; pedicels 3-4 mm, puberulent. Calyx funnel-shaped, ca. 4 mm, puberulent, with short teeth. Corolla green-yellow, funnel-shaped, 7-8 mm; lobes deltoid-ovate. Stamens white or light yellow-green; tube shorter than corolla tube. Ovary glabrous, sessile. Legume straw-colored, strap-shaped, flat, 15-28 × 2.5-4.5 cm, remaining on trees long after ripening. Seeds brown, 4-12, ellipsoidal, ca. 10 × 6-7 mm; pleurogram parallel to mar­gins of seed. Fl. May-Sep, fr. Oct-May of following year. 2n = 26*.
Planted along roadsides and in gardens. Fujian, Guangdong, Guangxi, Hainan, Taiwan [native to tropical Africa; introduced or natu­ralized in Bangladesh, Bhutan, India, Myanmar, Nepal, Pakistan, Sri Lanka].
This plant is grown as a roadside tree and is used ornamentally and for timber.




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