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酸藤子Embelia laeta

时间:2018-07-01 21:05来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ): 酸藤子 学名( Scientific Name ): Embelia laeta (Linn.) Mez 英文名( English Common Name ): 别名( Chinese Common Name ): 甜酸叶 异名( Synonym ): Choripetalum obovatum Benth. Ribesiodes obovatum (Benth.)
中文名(Chinese Name):酸藤子
学名(Scientific Name):Embelia laeta (Linn.) Mez
英文名(English Common Name):
别名(Chinese Common Name):甜酸叶
异名(Synonym):Choripetalum obovatum Benth.  Ribesiodes obovatum (Benth.) Kuntze  Samara laeta L.  Samara obovata Benth.  Choripetalum benthamii Hance
科属(Family & Genus):紫金牛科Myrsinaceae酸藤子属Embelia
形态特征(Description):攀援灌木或藤本,稀小灌木,长1-3米;幼枝无毛,老枝具皮孔。叶片坚纸质,倒卵形或长圆状倒卵形,顶端圆形、钝或微凹,基部楔形,长3-4厘米,宽1-1.5厘米,稀长达7厘米,宽2.5厘米,全缘,两面无毛,无腺点,叶面中脉微凹,背面常被薄白粉,中脉隆起,侧脉不明显;叶柄长5-8毫米。总状花序,腋生或侧生,生于前年无叶枝上,长3-8毫米,被细微柔毛,有花3-8朵,基部具1-2轮苞片;花梗长约1.5毫米,无毛或有时被微柔毛,小苞片钻形或长圆形,具缘毛,通常无腺点;花4数,长约2毫米,花萼基部连合达1/2或1/3,萼片卵形或三角形,顶端急尖,无毛,具腺点;花瓣白色或带黄色,分离,卵形或长圆形,顶端圆形或钝,长约2毫米,具缘毛,外面无毛,里面密被乳头状突起,具腺点,开花时强烈展开;雄蕊在雌花中退化,长达花瓣的2/3,在雄花中略超出花瓣,基部与花瓣合生,花丝挺直,花药背部具腺点;雌蕊在雄花中退化或几无,在雌花中较花瓣略长,子房瓶形,无毛,花柱细长,柱头扁平或几成盾状。果球形,直径约5毫米,腺点不明显。花期12月至翌年3月,果期4-6月。
分布(Distribution):产云南、广西、广东、江西、福建、台湾,海拔100-1500 (-1850) 米的山坡疏、密林下或疏林缘或开阔的草坡、灌木丛中。越南,老挝,泰国,柬埔寨均有。
用途(Use):根、叶可散瘀止痛、收敛止泻,治跌打肿痛、肠炎腹泻、咽喉炎、胃酸少、痛经闭经等症;叶煎水亦作外科洗药;嫩尖和叶可生食,味酸;果亦可食,有强壮补血的功效。兽用根、叶治牛伤食腹胀、热病口渴。
引自中国植物志英文版:FOC Vol. 15 Page 31     
Embelia laeta (Linnaeus) Mez in Engler, Pflanzenr. IV. 236 (Heft 9): 326. 1902.
酸藤子 suan teng zi | Myrsinaceae  | Embelia
Shrubs scandent. Branchlets straight, flexuous, or geniculate, terete, 1.5-2 mm in diam., glabrous or densely reddish glandular papillose-tomentose. Petiole canaliculate and marginate, 5-9 mm, indument as in branchlets; leaf blade obovate or oblanceolate, (1.7-)3-6(-7.5) × (0.6-)1.5-2(-3) cm, papery, dull, glabrous, base cuneate, margin flat or revolute, entire, apex acute or rounded to obtuse, usually minutely emarginate; midrib impressed adaxially; lateral veins inconspicuous, 6-10 on each side of midrib. Inflorescences axillary, subcorymbose subumbellate, to puberulent, 3-15-flowered, with 1 or 2 series of scales at base; bracts ovate, cucullate, subulate or oblong, 1-1.3 mm, sparsely glandular granulose, margin entire, glandular ciliate, apex obtuse. Flowers white or yellowish, 4-merous, staminate 2-2.5(-3) mm, pistillate 1.5-2 mm. Pedicel 2-4 mm in staminate, 1.5-2 in pistillate, glabrous or glandular puberulent. Sepals ovate or triangular, glabrous or glandular puberulent, red punctate, margin subentire, apex acute. Petals free, ovate or oblong, membranous, glabrous outside, densely glandular granulose inside, entire, glandular ciliate, apex obtuse or rounded. Stamens exserted 1-1.5 mm in staminate flowers, ca. 1/3 petal length in pistillate; anthers broadly cordate, apex acute. Ovary glabrous. Style straight, punctate; stigma subcapitate, 2- or 3-lobed. Fruit globose, 5-8 mm in diam., densely pellucid punctate.
100-2000(-3000) m. Fujian, Guangdong, Guangxi, Hainan, Jiangxi, Taiwan, Yunnan [Cambodia, Laos, Thailand, Vietnam]
 




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