织梦CMS - 轻松建站从此开始!

花卉图片网

当前位置: 主页 > 灌木 >

粗脉紫金牛Ardisia crassinervosa

时间:2013-10-18 13:30来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ):粗脉紫金牛 学名( Scientific Name ): Ardisia crassinervosa Walker 英文名( English Common Name ): 别名( Chinese Common Name ): 小罗伞树 异名( Synonym ): Ardisia crassirhiza Z. X. Li et F. W. Xing ex C. M
中文名(Chinese Name):粗脉紫金牛
学名(Scientific Name):Ardisia crassinervosa Walker  
英文名(English Common Name):
别名(Chinese Common Name):小罗伞树
异名(Synonym):Ardisia crassirhiza Z. X. Li et F. W. Xing ex C. M. Hu  Ardisia crenata subsp. crassinervosa (E. Walker) C. M. Hu et J. E. Vidal  Ardisia aquifolioides W. Z. Fang et K. Yao
科属(Family & Genus):紫金牛科(Myrsinaceae)紫金牛属
形态特征(Description):灌木,高0.5-1 (-2) 米;小枝具皱纹,无毛,除侧生特殊花枝外,无分枝。叶片革质,长圆状倒披针形,顶端急尖或钝,基部楔形,长4.5-8厘米,宽1.2-1.5 (-3) 厘米,边缘具圆齿或几全缘,齿间具明显的边缘腺点,两面无毛,背面具腺点或无,中、侧脉明显,隆起,侧脉12-18对,连成明显的边缘脉;叶柄长3(-5) 毫米。亚伞形花序或聚伞花序,多花,着生于侧生特殊花枝顶端,花枝长5-10 (-16) 厘米,无毛,中部以上具4-5片叶,或近顶端具1-2片叶,叶有时多少退化;花梗长约1厘米,无毛,花长约4毫米,花萼仅基部连合,萼片广卵形或近圆形,顶端极钝或近圆形,基部略具耳形,互相折叠,长约2.5毫米,全缘,边缘干膜质,具腺点,有时腺点不明显;花瓣粉红色至淡紫色,长约4毫米,广卵形,顶端钝或近圆形,具极明显的腺点,外面无毛,里面具极少的微柔毛;雄蕊为花瓣长的2/3或近等长,花药披针形,顶端急尖,背部具腺点;雌蕊与花瓣等长,子房圆珠形,无毛,具腺点;胚珠5枚,1轮。果球形,直径约4毫米,红色,具明显的腺点。花期与果期常同在1-3月或7-12月。
分布(Distribution):产广东(仅海南岛),海拔100-1800米的山坡、草坡灌木丛中,或坡地疏林或密林下阳处。模式标本采于海南岛临高与澄迈之间。
用途(Use):
引自中国植物志英文版: FOC Vol. 15 Page 21
Ardisia crassinervosa E. Walker, Philipp. J. Sci. 73: 86. 1940.
粗脉紫金牛 cu mai zi jin niu | Myrsinaceae  | Ardisia
Ardisia aquifolioides W. Z. Fang & K. Yao; A. crassirhiza Z. X. Li & F. W. Xing ex C. M. Hu; A. nervosa E. Walker (1940), not H. R. Fletcher (1937).
Shrubs ca. 2 m tall, glabrous. Branchlets angular, 1-1.5 mm in diam., reddish glandular papillate. Petiole canaliculate, 3-5 mm; leaf blade elliptic, oblanceolate, or rarely obovate, 10-17 × 3-6 cm, leathery, glabrous, base cuneate, margin somewhat undulate with vascularized nodules, apex acute or subacuminate; lateral veins numerous, raised on both surfaces, marginal vein conspicuous. Inflorescences terminal, simple or compound subumbellate, on specialized lateral branches 8-20 cm and with 2 or 3 subapical leaves. Flowers papery, pink, purplish, or white, 5-6 mm. Pedicel ca. 1 mm, punctate at least when young. Sepals broadly ovate to suborbicular, 3.8-4 mm, densely orange punctate, glabrous, base auriculate, margin entire, scarious, apex rounded or obtuse. Petals nearly free, ovate, densely punctate, densely glandular granulose adaxially, glabrous abaxially, margin entire, opaque, apex obtuse. Stamens subequalling petals; filaments much shorter than anthers; anthers lanceolate, longitudinally dehiscent, epunctate or inconspicuously punctate dorsally, apex apiculate. Pistil subequalling petals; ovary glabrous, punctate; ovules ca. 9, uniseriate. Fruit red, globose, ca. 9 mm in diam., densely punctate. Fl. Jan-Jul, fr. Jul-Jan.
* Dense broad-leaved forests, hillsides, scrub, open fields, valleys, damp places, along streams; 100-1800 m. Hainan


(责任编辑:徐晔春)
织梦二维码生成器
顶一下
(1)
50%
踩一下
(1)
50%
------分隔线----------------------------
发表评论
请自觉遵守互联网相关的政策法规,严禁发布色情、暴力、反动的言论。
评价:
表情:
用户名: 验证码:点击我更换图片