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大罗伞 Ardisia quinquegona

时间:2014-01-19 18:23作者:徐晔春 点击: 次 标签: 紫金牛科 Myrsinaceae 紫金牛属 Ardisia
  中文名(Chinese Name):大罗伞
学名(Scientific Name):Ardisia quinquegona Bl.  
英文名(English Common Name):
别名(Chinese Common Name):火炭树、罗伞树
异名(Synonym):Ardisia quinquegona var. hainanensis Walker  Ardisia quinquegona var. oblonga Walker  Ardisia pentagona A. DC.  Ardisia jinyuensis Z. Y. Zhu  Ardisia jinyunensis Z. Y. Zhu  Bladhia pseudoquinquegona Masam.  Bladhia quinquegona (Blume) Nakai  Ardisia elliptisepala E. Walker  Ardisia cambodiana Pierre ex Pit.
科属Family & Genus):紫金牛科(Myrsinaceae)紫金牛属
形态特征Description):灌木或灌木状小乔木,高约2米,可达6米以上;小枝细,无毛,有纵纹,嫩时被锈色鳞片。叶片坚纸质,长圆状披针形、椭圆状披针形至倒披针形,顶端渐尖,基部楔形,长8-16厘米,宽2-4厘米,全缘,两面无毛,背面多少被鳞片,中脉明显,侧脉极多,不明显,连成近边缘的边缘脉,无腺点;叶柄长5-10毫米,幼时被鳞片。聚伞花序或亚伞形花序,腋生,稀着生于侧生特殊花枝顶端,长3-5厘米,花枝长达8厘米,多少被鳞片;花梗长5-8毫米,多少被鳞片;花长约3毫米或略短,花萼仅基部连合,萼片三角状卵形,顶端急尖,长1毫米,具疏微缘毛及腺点,无毛;花瓣白色,广椭圆状卵形,顶端急尖或钝,长约3毫米,具腺点,外面无毛,里面近基部被细柔毛;雄蕊与花瓣几等长,花药卵形至肾形,背部多少具腺点;雌蕊常超出花瓣,子房卵珠形,无毛;胚珠多数,数轮。果扁球形,具钝5棱,稀棱不明显,直径5-7毫米,无腺点。花期5-6月,果期12月或2-4月。
分布(Distribution):产云南、广西、广东、福建、台湾,生于海拔200-1000米的山坡疏、密林中,或林中溪边荫湿处。从马来半岛至日本琉球群岛均有。
用途(Use):全株入药,有消肿、清热解毒的作用,用于治跌打损伤;亦作兽用药。也是常用的好薪炭柴。
引自中国植物志英文版:FOC Vol. 15 Page 14     
Ardisia quinquegona Blume, Bijdr. 689. 1826.
罗伞树 luo san shu| Myrsinaceae  | Ardisia
Ardisia elliptisepala E. Walker; A. jinyunensis Z. Y. Zhu; A. pauciflora Heyne; A. pentagona A. de Candolle; A. quinquegona var. hainanensis E. Walker; A. quinquegona var. oblonga E. Walker; Bladhia pseudoquinquegona Masamune; B. quinquegona (Blume) Nakai.
Shrubs 2(-6) m tall, rarely rhizomatous. Branchlets angular, 2-3 mm in diam., brown scaly, glabrescent, longitudinally ridged. Petiole canaliculate, (3-)5-10 mm, brown scaly, glabrescent; leaf blade oblong, elliptic, or oblanceolate, 8-16 × 2-4 cm, membranous, dull and glabrous adaxially, inconspicuously punctate and scaly abaxially, base cuneate, margin flat, entire, apex narrowly acute to acuminate, acumen to 1 cm; lateral veins numerous, inconspicuous, marginal vein inconspicuous. Inflorescences axillary, paniculate, cymose, or subumbellate, ca. (1-)3-5(-8) cm, scaly. Flowers membranous, white or pink, to 3 mm. Pedicel 5-8 mm, scaly. Sepals ovate to lanceolate, ca. 1 mm, punctate, glabrous, margin sparsely and minutely ciliate, apex acute to obtuse. Petals nearly free, broadly elliptic, to 3 mm, punctate, glabrous except puberulent at base adaxially, apex acute or obtuse. Stamens subequalling petals; filaments obsolete; anthers ovate to reniform, punctate dorsally, dehiscent by terminal pores opening into large longitudinal slits, apex apiculate. Pistil longer than petals, even in bud; ovary glabrous, punctate; ovules numerous, multiseriate. Stigma punctiform. Fruit depressed, obtusely 5-angled, inconspicuously punctate. Fl. Mar-Jul, fr. Aug-Feb.
Damp seepage in mixed forests, valleys, streambanks, hillsides, damp places; 200-1300 m. Fujian, Guangdong, Guangxi, Hainan, Sichuan, Taiwan, Yunnan [India, Indonesia, Japan (Ryukyu Islands), Malaysia, Vietnam]


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