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米碎花Eurya chinensis

时间:2013-11-09 21:21来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ): 米碎花 学名( Scientific Name ): Eurya chinensis R. Br. 英文名( English Common Name ): 别名( Chinese Common Name ): 异名( Synonym ): Eurya parvifolia Gardner 科属( Family Genus ): 山茶科Theaceae柃木
中文名(Chinese Name):米碎花
学名(Scientific Name):Eurya chinensis R. Br.
英文名(English Common Name):
别名(Chinese Common Name):
异名(Synonym):Eurya parvifolia Gardner
科属(Family & Genus):山茶科Theaceae柃木属Eurya
形态特征(Description):灌木,高1-3米,多分枝;茎皮灰褐色或褐色,平滑;嫩枝具2棱,黄绿色或黄褐色,被短柔毛,小枝稍具2棱,灰褐色或浅褐色,几无毛;顶芽披针形,密被黄褐色短柔毛。叶薄革质,倒卵形或倒卵状椭圆形,长2-5.5厘米,宽1-2厘米,顶端钝而有微凹或略尖,偶有近圆形,基部楔形,边缘密生细锯齿,有时稍反卷,上面鲜绿色,有光泽,下面淡绿色,无毛或初时疏被短柔毛,后变无毛,中脉在上面凹下,下面凸起,侧脉6-8对,两面均不甚明显;叶柄长2-3毫米。花1-4朵簇生于叶腋,花梗长约2毫米,无毛。雄花:小苞片2,细小,无毛;萼片5,卵圆形或卵形,长1.5-2毫米,顶端近圆形,无毛;花瓣5,白色,倒卵形,长3-3.5毫米,无毛;雄蕊约15枚,花药不具分格,退化子房无毛。雌花的小苞片和萼片与雄花同,但较小;花瓣5,卵形,长2一2.5毫米,子房卵圆形,无毛,花柱长1.5-2毫米,顶端3裂。果实圆球形,有时为卵圆形,成熟时紫黑色,直径3-4毫米;种子肾形,稍扁,黑褐色,有光泽,表面具细蜂窝状网纹。花期11-12月,果期次年6-7月。
分布(Distribution):广泛分布于江西南部(安远、寻乌、全南、龙南、信丰)、福建与南沿海及西南部(福州、福清、永泰、连江、长乐、惠安、莆田、龙岩、连城、南靖、上杭、长汀)、台湾(台北、台中、台东、南投、高雄)、湖南南部(宜章)、广东、广西南部(南宁、邕宁、横县、上思、平南、桂林、柳州、武鸣、梧州、钦州)等地;多生于海拔800米以下的低山丘陵山坡灌丛路边或溪河沟谷灌丛中。
用途(Use):
引自中国植物志英文版:FOC Vol. 12 Page 448, 449, 460, 461, 466, 467      
Eurya chinensis R. Brown in C. Abel, Narr. Journey China. 379. 1818.
米碎花 mi sui hua| Theaceae  | Eurya
Shrubs 1-3 m tall. Young branches grayish brown, 2-ribbed, glabrous; current year branchlets yellowish green to yellowish brown, 2-ribbed, pubescent or glabrous; terminal buds densely yellowish brown pubescent or glabrous. Petiole 2-3 mm; leaf blade obovate to obovate-elliptic, 2-5.5 × 1-2 cm, thinly leathery, abaxially pale green, glabrous or sparsely pubescent when young, and glabrescent, adaxially bright green and glabrous, midvein abaxially elevated and adaxially impressed, secondary veins 6-8 on each side of midvein and obscure on both surfaces, base cuneate, margin closely serrulate, apex obtuse, slightly emarginate, or rarely subrounded. Flowers axillary, solitary or to 4 in a cluster. Pedicel ca. 2 mm, glabrous. Male flowers: bracteoles very small, glabrous; sepals ovate-orbicular to ovate, glabrous, 1.5-2 mm, apex subrounded; petals obovate, 3-3.5 mm, glabrous; stamens ca. 15; anthers not locellate; pistillode glabrous. Female flowers: bracteoles and sepals similar to those of male flowers but slightly smaller; petals ovate, 2-2.5 mm; ovary ovoid, glabrous, 3-loculed; style 1.5-2 mm, apically 3-lobed. Fruit purplish black when mature, globose to rarely ovoid, 3-4 mm in diam. Seeds blackish brown, reniform, shiny. Fl. Nov-Dec, fr. Jun-Jul.
● Thickets on hilly land or along streams; below 1000 m. E and S Fujian, Guangdong, S Guangxi, S Hunan, S Jiangxi, SE Sichuan, Taiwan.
 




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