织梦CMS - 轻松建站从此开始!

花卉图片网

当前位置: 主页 > 野生花卉 >

一点红Emilia sonchifolia

时间:2013-11-11 14:14来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ): 一点红 学名( Scientific Name ): Emilia sonchifolia Benth. 英文名( English Common Name ): 别名( Chinese Common Name ): 红头草、紫背叶 异名( Synonym ): Cacalia sonchifolia L. Emilia sinica Miq. Senecio
中文名(Chinese Name):一点红
学名(Scientific Name):Emilia sonchifolia Benth.
英文名(English Common Name):
别名(Chinese Common Name):红头草、紫背叶
异名(Synonym):Cacalia sonchifolia L.  Emilia sinica Miq.  Senecio sonchifolius (L.) Moench  Emilia marivelense Elmer  Emilia marivelensis Elmer  Gynura ecalyculata DC.  Emilia rigidula DC.  Emilia purpurea Cass.  Senecio sonchifolius var. bogorensis Hochr.  Senecio sonchifolius var. sonchifolius
科属Family & Genus):菊科Compositae一点红属Emilia
形态特征Description):一年生草本,根垂直。茎直立或斜升,高25-40厘米,稍弯,通常自基部分枝,灰绿色,无毛或被疏短毛。叶质较厚,下部叶密集,大头羽状分裂,长5-10厘米,宽2.5-6.5厘米,顶生裂片大,宽卵状三角形,顶端钝或近圆形,具不规则的齿,侧生裂片通常1对,长圆形或长圆状披针形,顶端钝或尖,具波状齿,上面深绿色,下面常变紫色,两面被短卷毛;中部茎叶疏生,较小,卵状披针形或长圆状披针形,无柄,基部箭状抱茎,顶端急尖,全缘或有不规则细齿;上部叶少数,线形。头状花序长8毫米,后伸长达14毫米,在开花前下垂,花后直立,通常2-5,在枝端排列成疏伞房状;花序梗细,长2.5-5厘米,无苞片,总苞圆柱形,长8-14毫米,宽5-8毫米,基部无小苞片;总苞片1层,8-9,长圆状线形或线形,黄绿色,约与小花等长,顶端渐尖,边缘窄膜质,背面无毛。小花粉红色或紫色,长约9毫米,管部细长,檐部渐扩大,具5深裂瘦果圆柱形,长3-4毫米,具5棱,肋间被微毛;冠毛丰富,白色,细软。花果期7-10月。
分布(Distribution):产云南、贵州、四川、湖北、湖南、江苏、浙江、安徽、广东、海南、福建、台湾。常生于山坡荒地、田埂、路旁,海拔800-2100米。北京栽培,逸生。亚洲热带、亚热带和非洲广布。
用途(Use):全草药用,消炎,止痢,主治腮腺炎、乳腺炎、小儿疳积、皮肤湿疹等症。
引自中国植物志英文版:FOC Vol. 20-21 Page 542, 543
Emilia sonchifolia (Linnaeus) Candolle in Wight, Contr. Bot. India. 24. 1834.
一点红 yi dian hong| Asteraceae  | Emilia
Herbs, annual; root vertical. Stems erect or ascending, gray-green, 25-40 cm tall, rather curved, usually branching from base, glabrous or sparsely pilose. Leaves thick, lower leaves crowded, abaxially dark green, often becoming purple, lyrate-pinnatilobed, 5-10 × 2.5-6.5 cm; terminal lobe large, broadly ovate-triangular, margin irregularly dentate, apex obtuse or subrounded; lateral lobes usually paired, oblong or oblong-lanceolate, both surfaces crisped-hairy, margin shallowly and bluntly dentate, apex obtuse or acute. Median stem leaves lax, sessile, smaller, ovate-lanceolate or oblong-lanceolate, basally hastately semiamplexicaul, margin entire or irregularly denticulate, apically acute; upper leaves few, linear. Capitula pendulous before anthesis, erect later, usually 2-5, in terminal lax corymbs; peduncles 2.5-5 cm, slender, not bracteate. Involucres cylindric, 6-12 × 1.5-4 mm; phyllaries 8 or 9, yellow-green, oblong-linear or linear, nearly equaling florets, glabrous, margin narrowly scarious, apically acuminate. Florets pink or purplish; corolla ca. 9 mm, with slender tube and dilated limb, deeply 5-lobed. Achenes cylindric, 3-4 mm, puberulent between ribs, 5-ribbed. Pappus of capillary-like bristles, snow white, ca. 8 mm. Fl. Jul-Oct. 2n = 10, 20.
Weedy slopes, roadsides, field margins, sandy places; sea level to 2100 m. Anhui, Fujian, Guangdong, Guizhou, Hainan, Hebei, Henan, Hubei, Hunan, Jiangsu, Shaanxi, Sichuan, Taiwan, Yunnan, Zhejiang [pantropical].
Emilia sonchifolia is used medicinally as an antiphlogistic and for dysentery.
 




(责任编辑:徐晔春)
织梦二维码生成器
顶一下
(4)
66.7%
踩一下
(2)
33.3%
------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
栏目列表
推荐内容