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Dinghushan | Family List | Mimosaceae | Acacia

Acacia farnesiana (L.) Willd.

金合欢

Description from Flora of China

Mimosa farnesiana Linnaeus, Sp. Pl. 1: 521. 1753; Vachel­lia farnesiana (Linnaeus) Wight & Arnott.

Shrubs or small trees, 2-4 m tall. Bark brown, rough. Branches numerous; branchlets zigzag, with small lenticels. Leaves 2-7 cm; stipules spinelike, spines 1-2 cm, shorter on short branchlets; leaf rachis villous, glandular; pinnae 4-8 pairs, axillary, 1.5-3.5 cm in diam.; leaflets 10-20 pairs, linear-ob­long, 2-6 × 1-1.5 mm, glabrous. Heads 1-3, axillary, 1-1.5 cm in diam.; peduncles 1-3 cm, hairy; bracts at or near tip of peduncle. Flowers yellow, fragrant. Calyx ca. 1.5 mm, 5-toothed. Corolla ca. 2.5 mm, 5-toothed. Stamens ca. 2 × as long as corolla. Ovary cylindric, puberulent. Legume brown, straight or curved, turgid, subcylindric, 3-7 cm × 8-15 mm, glabrous, scarcely dehiscent, filled with a pith separating seeds from each other. Seeds several, brown, ovoid, ca. 6 mm. Fl. Mar-Jun, fr. Jul-Dec. 2n = 26, 52.

This species is grown as a hedge plant and is used medicinally and for dyes and gums.

Cultivated in Fujian, Guangdong, Guangxi, Guizhou, Hainan, Henan, Sichuan, Taiwan, Yunnan, Zhejiang [native to tropical America; cultivated throughout the tropics].

生活型: 乔木, 灌木

栽培植物: 栽培

特征: 落叶,有刺灌木或小乔木;花黄色,极香,

花期: 春夏

果期: 夏秋

生境: 栽培

用途: 花含芳香油,为高级香精原料;果荚、树皮和根可提制栲胶;树脂供制胶水、墨水及药用,木材可作贵重器具材;

门中名: 种子植物门

亚门中名: 被子植物亚门

纲中名: 双子叶植物纲

中文别名: 鸭皂树


 

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