栏目

薯豆Elacocarpus japonicus S. et Z.

薯豆Elacocarpus japonicus S. et Z.

别名:胆八树;羊仔屎;薯豆杜英;暑豆;球果胆八树;见风干;鬼打青;豆翁树;署豆;高山望;日本杜英;香菇柴;澜沧杜英;牛屎柯;山巴豆;水石榕;

科名:杜英科 Elacocarpaceae

属名:杜英属 Elacocarpus

种中文名:薯豆
种拉丁名:Elacocarpus japonicus S. et Z.
属中文名:杜英属
科中文名:杜英科
科拉丁名:Elacocarpaceae
形态特征:常绿乔木
最低海拔:400
最高海拔:1300
生    境:山坡林中
是否栽培:野生
湖北分布:来凤,宣恩,咸丰,鹤峰,利川,建始
国内分布:云南,贵州,四川,广东,广西,湖南,江西,浙江,福建,
国外分布:日本,越南

《Flora of China》 Vol. 12 (2007)
Elaeocarpus japonicus  Siebold & Zuccarini
薯豆   shu dou
Trees to 25 m tall. Branchlets robust, glabrous or minutely pubescent; buds sericeous. Petiole 2-6 cm, pubescent at first, glabrescent; leaf blade ovate, elliptic, obovate, or lanceolate to narrowly oblong, 6-11(-17) × 3-6 cm, papery or leathery, both surfaces densely silvery-gray sericeous at first, soon glabrescent, abaxially with minute black glandular spots, lateral veins 6-8 per side, prominently raised abaxially, veinlets prominent abaxially, inconspicuous adaxially, base rounded, obtuse, acute, or broadly cuneate, margin sparsely dentate, apex acuminate or acute, acumen obtuse. Raceme 3-6 cm; peduncle puberulent. Pedicel 3-4 mm, puberulent. Flowers polygamous. Bisexual flowers: sepals 5, oblong, ca. 4 mm, both surfaces pubescent. Petals oblong, ca. as long as sepals, both surfaces or only abaxially pubescent, margin entire or incised. Stamens 15; filaments very short; anthers ca. 2 mm, not awned at apices, puberulent. Disk 5- or 10-lobed, in circle. Ovary pubescent, 3-loculed; style ca. 3 mm, pubescent. Male flowers: sepals 5 or 6; petals 5 or 6; stamens 9-14; rudimentary ovary present or not. Drupe shiny, ellipsoid, 1-1.3 × ca. 0.8 cm, 1-loculed. Seed 1, ca. 8 mm. Fl. Apr-May, fr. May-Jul.
Evergreen forests; 400-2800 m. Anhui, Fujian, Guangdong, Guangxi, Guizhou, Hubei, Hunan, Jiangsu, Jiangxi, Sichuan, Taiwan, Yunnan, Zhejiang [Japan, Vietnam].

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