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华杜英 Elaeocarpus chinensis

时间:2013-09-09 08:26来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ):华杜英 学名( Scientific Name ): Elaeocarpus chinensis (Gardn. et Chanp.) Hook. f. ex Benth. 英文名( English Common Name ): 别名( Chinese Common Name ): 中华杜英、、桃榅、羊屎乌 异名( Synonym ): Friesia
中文名(Chinese Name):华杜英
学名(Scientific Name):Elaeocarpus chinensis (Gardn. et Chanp.) Hook. f. ex Benth.
英文名(English Common Name):
别名(Chinese Common Name):中华杜英、、桃榅、羊屎乌
异名(Synonym):Friesia chinensis Gardner et Champ.  Elaeocarpus decandrus Merr. 
科属(Family & Genus):杜英科(Elaeocarpaceae)杜英属
形态特征(Description):常绿小乔木,高3-7米;嫩枝有柔毛,老枝秃净,干后黑褐色。叶薄革质,卵状披针形或披针形,长5-8厘米,宽2-3厘米,先端渐尖,基部圆形,稀为阔楔形,上面绿色有光泽,下面有细小黑腺点,在芽体开放时上面略有疏毛,很快上下两面变秃净,侧脉4-6对,在上面隐约可见,在下面稍突起,网脉不明显,边缘有波状小钝齿;叶柄纤细,长1.5-2厘米,幼嫩时略被毛。总状花序生于无叶的去年枝条上,长3-4厘米,花序轴有微毛;花柄长3毫米;花两性或单性。两性花:萼片,片,披针形,长3毫米,内外两面有微毛;花瓣5片,长圆形,长3毫米,不分裂,内面有稀疏微毛;雄蕊8-10枚,长2毫米,花丝极短,花药顶端无附属物;子房2室,胚珠4颗,生于子房上部。雄蕊的萼片与花瓣和两性花的相同,雄蕊8-10枚,无退化于房。核果椭圆形,长不到1厘米。花期5-6月。
分布(Distribution):产于广东、广西、浙江、福建、江西、贵州、云南。生长于海拔350-850米的常绿林中。老挝及越南北部有分布。
用途(Use):FOC Vol. 12 Page 224, 235 
Elaeocarpus chinensis (Gardner & Champion) J. D. Hooker ex Bentham, Fl. Hongk. 43. 1861.
华杜英 hua du ying | Elaeocarpaceae  | Elaeocarpus
Friesia chinensis Gardner & Champion, Hooker’s J. Bot. Kew Gard. Misc. 1: 243. 1849.
Trees evergreen, 3-7 m tall. Branchlets puberulent, glabrous when old. Petiole 1.5-2 cm, slender, minutely pubescent when young; leaf blade ovate-lanceolate or lanceolate, 5-8 × 2-3 cm, papery, pubescent when young, soon glabrescent, abaxially black glandular punctate, lateral veins 4-6 per side, slightly raised abaxially, veinlets inconspicuous on both surfaces, base rounded, rarely broadly cuneate, margin minutely crenate, apex acuminate. Racemes in axils of fallen leaves, 3-4 cm; peduncles puberulent. Pedicel ca. 3 mm. Flowers polygamous. Bisexual flowers: sepals 4, lanceolate, ca. 3 mm, both surfaces minutely pubescent. Petals 4, oblong, ca. 3 mm, margin nearly entire, adaxially sparsely minutely pubescent. Stamens 8 or 9, ca. 2 mm; filaments very short; anthers without hairs at apices. Ovary 2-loculed. Drupe ellipsoid, shorter than 1 cm. Fl. May-Jun, fr. Jun-Sep.
Evergreen forests; 300-900 m. Fujian, Guangdong, Guangxi, Guizhou, Jiangxi, Zhejiang [Vietnam].


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