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野甘草Scoparia dulcis

时间:2018-07-01 21:00来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ): 野甘草 学名( Scientific Name ): Scoparia dulcis Linn. 英文名( English Common Name ): 别名( Chinese Common Name ): 异名( Synonym ): Ambulia micrantha Raf. Capraria dulcis var. albiflora Kuntze Capraria
中文名(Chinese Name):野甘草
学名(Scientific Name):Scoparia dulcis Linn.
英文名(English Common Name):
别名(Chinese Common Name):
异名(Synonym):Ambulia micrantha Raf.  Capraria dulcis var. albiflora Kuntze  Capraria dulcis var. coerulea Kuntze  Capraria dulcis (L.) Kuntze  Scoparia dulcis var. tenuifolia Griseb.  Scoparia grandiflora Nash  Scoparia nudicaulis Chodat & Hassl.  Scoparia procumbens Jacq.  Scoparia purpurea Ridl.  Scoparia ternata Forsk.
科属(Family & Genus):玄参科Scrophulariaceae野甘草属Scoparia
形态特征(Description):直立草本或为半灌木状,高可达100厘米,茎多分枝,枝有棱角及狭翅,无毛。叶对生或轮生,菱状卵形至菱状披针形,长者达35毫米,宽者达15毫米,枝上部叶较小而多,顶端钝,基部长渐狭,全缘而成短柄,前半部有齿,齿有时颇深多少缺刻状而重出,有时近全缘,两面无毛。花单朵或更多成对生于叶腋,花梗细,长5-10毫米,无毛;无小苞片,萼分生,齿4,卵状矩圆形,长约2毫米,顶端有钝头,具睫毛,花冠小,白色,直径约4毫米,有极短的管,喉部生有密毛,瓣片4,上方1枚稍稍较大,钝头,而缘有啮痕状细齿,长约2-3毫米;雄蕊4,近等长,花药箭形,花柱挺直,柱头截形或凹入。蒴果卵圆形至球形,直径2-3毫米,室间室背均开裂,中轴胎座宿存。
分布(Distribution):分布于广东、广西、云南、福建;原产美洲热带,现已广布于全球热带。喜生于荒地、路旁,亦偶见于山坡。
用途(Use):
引自中国植物志英文版:FOC Vol. 18 Page 21
Scoparia dulcis Linnaeus, Sp. Pl. 1: 116. 1753.
野甘草 ye gan cao| Scrophulariaceae  | Scoparia
Scoparia dulcis
Image
Credit: W.D. Stevens
Herbs or suffrutescent subshrub, erect, to 1 m tall. Branches ribbed to narrowly winged, puberulent at nodes. Leaves petiolate; leaf blade rhomboid-ovate to rhomboid-lanceolate, to 3.6 X 1.5 cm, glabrous, glandular punctate, base cuneate, margin toothed above middle, sometimes slightly double serrate, or subentire, apex obtuse. Flowers usually axillary, (1 or)2 per node. Pedicel 5-10 mm, glabrous. Bracteoles absent. Calyx lobed to base; lobes 4, ovate-oblong, ca. 2 mm, margin ciliate, apex obtuse. Corolla white, ca. 4 mm. in diam.; tube densely hairy at throat; lobes 2-3 mm, margin erose-denticulate, apex obtuse; upper lobe slightly larger than others. Stamens exserted. Style erect; stigma truncate to 2-parted. Capsule 2-3 cm in diam., columella persistent.
Waste places, beside trails, occasionally on mountain slopes; below 1400 m. Fujian, Guangdong, Guangxi, Taiwan, Yunnan [throughout tropics and subtropics].
 





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