牛蹄豆Pithecellobium dulce

中文名(Chinese Name):牛蹄豆
学名(Scientific Name):Pithecellobium dulce (Roxb.) Benth.
英文名(English Common Name):monkeypod
别名(Chinese Common Name):洋酸角
异名(Synonym):Feuilleea ducis (Roxb.) Kuntze  Zygia ducis (Roxb.) A. Lyons  Mimosa pungens (Willd.)Poir.  Inga javana DC.  Mimosa edulis Gagnep.  Inga pungens Willd.  Inga leucantha C.Presl  Inga javanica DC.  Pithecellobium littorale Record  Feuilleea dulcis (Roxb.)Kuntze  Albizia dulcis (Roxb.)F.Muell.  Acacia obliquifolia M.Martens & Galeotti  Pithecollobium dulce (Roxb.)Benth.  Inga camatchili Perr.  Zygia dulcis (Roxb.) Lyons
科属(Family & Genus):含羞草科,Mimosaceae猴耳环属
形态特征(Description):常绿乔木,中等大;枝条通常下垂,小枝有由托叶变成的针状刺。羽片1对,每一羽片只有小叶1对,羽片和小叶着生处各有凸起的腺体1枚;羽片柄及总叶柄均被柔毛;小叶坚纸质,长倒卵形或椭圆形,长2-5厘米,宽2-25毫米,大小差异甚大,先端钝或凹入,基部略偏斜,无毛;叶脉明显,中脉偏于内侧。头状花序小,于叶腋或枝顶排列成狭圆锥花序式;花萼漏斗状,长1毫米,密被长柔毛;花冠白色或淡黄,长约3毫米,密被长柔毛,中部以下合生;花丝长8-10毫米。荚果线形,长10-13厘米,宽约1厘米,膨胀,旋卷,暗红色;种子黑色,包于白色或粉红色的肉质假种皮内。花期3月;果期7月。
分布(Distribution):原产中美洲,现广布于热带干旱地区。我国华东南部、华南南部及西南地区有栽培。
用途(Use):木材可为箱板和一般建筑用材;树皮含单宁30%;荚果可作饲料;假种皮在墨西哥用来制柠檬水。
引自植物志英文版:FOC Vol. 10 Page 61
Pithecellobium dulce (Roxburgh) Bentham, London J. Bot. 3: 213. 1844.
牛蹄豆 niu ti dou | Fabaceae  | Pithecellobium
Mimosa dulcis Roxburgh, Pl. Coromandel 1: 67. 1798.
Trees, evergreen. Branches often pendulous; branchlets armed with spinescent stipules. Pinnae 1 pair; glands at junction of pinnae and leaflets; leaflets sessile, 1 pair per pinna, elliptic or obovate-elliptic, 2-5 × 0.2-2.5 cm, both surfaces glabrous, reticulate veins raised abaxially, base slightly oblique, apex obtuse or emarginate. Inflorescence pedunculate heads, aggre­gated in terminal panicles. Calyx funnel-shaped, 1-1.5 mm, to­mentose. Corolla ca. 6 mm. Stamens numerous, connate into a tube at base. Legume blackish brown, curved into a circle, flat, 5-7 cm in diam. Seeds dark brown, shiny, ovoid-ellipsoid, ca. 1.5 cm, hard, with pleurogram. Fl. Mar-Jun, fr. Jul. 2n = 26.
Cultivated in Fujian, Guangdong, Guangxi, Hainan, Jiangxi, Tai­wan, Yunnan, Zhejiang [native to tropical regions of C and N South America; cultivated throughout the tropics].
The timber is used for general construction and the bark for its tannins.
 牛蹄豆Pithecellobium dulce

牛蹄豆Pithecellobium dulce

牛蹄豆Pithecellobium dulce
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