光荚含羞草Mimosa bimucronata
中文名（Chinese Name）：光荚含羞草
学名（Scientific Name）：Mimosa bimucronata (DC.) Kuntze
英文名（English Common Name）：
别名（Chinese Common Name）：勒仔树
异名（Synonym）：Mimosa sepiaria Benth. Mimosa bimucronata subsp. sepiaria (Benth.) Hassl. Acacia bimucronata DC. Mimosa stuhlmanii Harms Mimosa thyrsoidea Griseb. Mimosa stuhlmannii Harms
科属（Family & Genus）：含羞草科,Mimosaceae含羞草属
形态特征（Description）：落叶灌木，高3-6米；小枝无刺，密被黄色茸毛。二回羽状复叶，羽片6-7对，长2-6厘米，叶轴无刺，被短柔毛，小叶12-16对，线形，长5-7毫米，宽1-1.5毫米，革质，先端具小尖头，除边缘疏具缘毛外，余无毛，中脉略偏上缘。头状花序球形；花白色；花萼杯状，极小；花瓣长圆形，长约2毫米，仅基部连合；雄蕊8枚，花丝长4-5毫米。荚果带状，劲直，长3.5-4.5厘米，宽约6毫米，无刺毛，褐色，通常有5-7个荚节，成熟时荚节脱落而残留荚缘。
分布（Distribution）：产广东南部沿海地区。逸生于疏林下。原产热带美洲。
用途（Use）：
引自植物志英文版：FOC Vol. 10 Page 53
Mimosa bimucronata (Candolle) O. Kuntze, Revis. Gen. Pl. 1: 198. 1891.
光荚含羞草 guang jia han xiu cao| Fabaceae | Mimosa
Acacia bimucronata Candolle, Prodr. 2: 469. 1825; Mimosa sepiaria Bentham.
Shrubs, deciduous, 3-6 m tall. Branchlets unarmed in distal parts, in lower parts armed by recurved prickles to 1 cm, densely yellow tomentose. Pinnae 4-9 pairs, 1.5-8 cm; rachis unarmed, pubescent; leaflets 12-16 pairs, linear, 5-7 × 1-1.5 mm, leathery, glabrous to puberulent with ciliate margin, main vein near upper side, apex mucronate. Heads globose, forming a spreading panicle with compound, spreading lower branches. Flowers white, scented. Calyx cup-shaped, minute. Petals oblong, 2.5-4 mm, connate at base. Stamens 8; filaments 4-5 mm. Ovary initially glabrous. Legume brown, straight, strap-shaped, 3.5-4.5 × ca. 0.6 cm, unarmed, finely reticulate veined, usually with 4-8 segments. Seeds olivaceous, ovoid, compressed, ca. 4.5 mm. 2n = 26*.
Introduced in Guangdong, escaped in thin forests [native to South America (NE Argentina and E Brazil)].
（责任编辑：徐晔春）
学名（Scientific Name）：Mimosa bimucronata (DC.) Kuntze
英文名（English Common Name）：
别名（Chinese Common Name）：勒仔树
异名（Synonym）：Mimosa sepiaria Benth. Mimosa bimucronata subsp. sepiaria (Benth.) Hassl. Acacia bimucronata DC. Mimosa stuhlmanii Harms Mimosa thyrsoidea Griseb. Mimosa stuhlmannii Harms
科属（Family & Genus）：含羞草科,Mimosaceae含羞草属
形态特征（Description）：落叶灌木，高3-6米；小枝无刺，密被黄色茸毛。二回羽状复叶，羽片6-7对，长2-6厘米，叶轴无刺，被短柔毛，小叶12-16对，线形，长5-7毫米，宽1-1.5毫米，革质，先端具小尖头，除边缘疏具缘毛外，余无毛，中脉略偏上缘。头状花序球形；花白色；花萼杯状，极小；花瓣长圆形，长约2毫米，仅基部连合；雄蕊8枚，花丝长4-5毫米。荚果带状，劲直，长3.5-4.5厘米，宽约6毫米，无刺毛，褐色，通常有5-7个荚节，成熟时荚节脱落而残留荚缘。
分布（Distribution）：产广东南部沿海地区。逸生于疏林下。原产热带美洲。
用途（Use）：
引自植物志英文版：FOC Vol. 10 Page 53
Mimosa bimucronata (Candolle) O. Kuntze, Revis. Gen. Pl. 1: 198. 1891.
光荚含羞草 guang jia han xiu cao| Fabaceae | Mimosa
Acacia bimucronata Candolle, Prodr. 2: 469. 1825; Mimosa sepiaria Bentham.
Shrubs, deciduous, 3-6 m tall. Branchlets unarmed in distal parts, in lower parts armed by recurved prickles to 1 cm, densely yellow tomentose. Pinnae 4-9 pairs, 1.5-8 cm; rachis unarmed, pubescent; leaflets 12-16 pairs, linear, 5-7 × 1-1.5 mm, leathery, glabrous to puberulent with ciliate margin, main vein near upper side, apex mucronate. Heads globose, forming a spreading panicle with compound, spreading lower branches. Flowers white, scented. Calyx cup-shaped, minute. Petals oblong, 2.5-4 mm, connate at base. Stamens 8; filaments 4-5 mm. Ovary initially glabrous. Legume brown, straight, strap-shaped, 3.5-4.5 × ca. 0.6 cm, unarmed, finely reticulate veined, usually with 4-8 segments. Seeds olivaceous, ovoid, compressed, ca. 4.5 mm. 2n = 26*.
Introduced in Guangdong, escaped in thin forests [native to South America (NE Argentina and E Brazil)].
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