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蟛蜞菊Sphagneticola calendulacea

时间:2013-11-15 15:31来源:未知 作者:徐晔春 点击:
中文名(Chinese Name ):蟛蜞菊 学名(Scientific Name ): Sphagneticola calendulacea (L.) Pruski 英文名(English Common Name ): 别名(Chinese Common Name ): 菊科Compositae泽菊属Sphagneticola 异名(Synonym ): Wedelia chinensis (Osbec
中文名(Chinese Name):蟛蜞菊
学名(Scientific Name):Sphagneticola calendulacea (L.) Pruski
英文名(English Common Name):
别名(Chinese Common Name):菊科Compositae泽菊属Sphagneticola 
异名(Synonym):Wedelia chinensis (Osbeck.) Merr.  Verbesina calendulacea L.  Complaya chinensis (Osbeck) Strother  Jaegeria calendulacea (L.) Spreng.  Seruneum calendulaceum (L.) Kuntze  Wedelia linearis Zoll. & Mor.  Thelechitonia chinensis (Osbeck) H.Rob. & Cuatrec.
科属(Family & Genus):
形态特征(Description):多年生草本。茎匍匐,上部近直立,基部各节生出不定根,长15-50厘米,基部径约2毫米,分枝,有阔沟纹,疏被贴生的短糙毛或下部脱毛。叶无柄,椭圆形、长圆形或线形,长3-7厘米,宽7-13毫米,基部狭,顶端短尖或钝,全缘或有1-3对疏粗齿,两面疏被贴生的短糙毛,中脉在上面明显或有时不明显,在下面稍凸起,侧脉1-2对,通常仅有下部离基发出的1对较明显,无网状脉。头状花序少数,径15-20毫米,单生于枝顶或叶腋内;花序梗长3-10厘米,被贴生短粗毛;总苞钟形,宽约1厘米,长约12毫米;总苞2层,外层叶质,绿色,椭圆形,长10-12毫米,顶端钝或浑圆,背面疏被贴生短糙毛,内层较小,长圆形,长6-7毫米,顶端尖,上半部有缘毛;托片折叠成线形,长约6毫米,无毛,顶端渐尖,有时具3浅裂。舌状花1层,黄色,舌片卵状长圆形,长约8毫米,顶端2-3深裂,管部细短,长为舌片的1/5。管状花较多,黄色,长约5毫米,花冠近钟形,向上渐扩大,檐部5裂,裂片卵形,钝。瘦果倒卵形,长约4毫米,多疣状突起,顶端稍收缩,舌状花的瘦果具3边,边缘增厚。无冠毛,而有具细齿的冠毛环。花期3-9月。
分布(Distribution):广产我国东北部(辽宁)、东部和南部各省区及其沿海岛屿。生于路旁、田边、沟边或湿润草地上。也分布于印度、中南半岛、印度尼西亚、菲律宾至日本。
用途(Use):
引自中国植物志英文版:FOC Vol. 20-21 Page 870, 871
Sphagneticola calendulacea (Linnaeus) Pruski, Novon. 6: 411. 1996.
蟛蜞菊 peng qi ju | Asteraceae  | Sphagneticola
Verbesina calendulacea Linnaeus, Sp. Pl. 2: 902. 1753; Complaya chinensis (Osbeck) Strother; Jaegeria calendulacea (Linnaeus) Sprengel; Seruneum calendulaceum (Linnaeus) Kuntze; Solidago chinensis Osbeck; Thelechitonia chinensis (Osbeck) H. Robinson & Cuatrecasas; Wedelia calendulacea (Linnaeus) Lessing (1832), not Richard (1807); W. chinensis (Osbeck) Merrill.
Stems prostrate with ascending tips, elongate, rooting from lower nodes, appressed pilose. Leaves sessile or shortly petiolate; blade linear-oblong to lanceolate, 2-10 cm × 6-20 mm, papery, appressed pilose on both surfaces, base narrowed, margin sparsely mucronulate-serrulate, apex acute. Capitula 2-2.5 cm wide, solitary on erect branches; peduncle 6-12 cm; involucre hemispheric, 8-9 mm; phyllaries 5, subequal in length, 1-seriate, oblong, shortly appressed pubescent, apex acute or sometimes obtuse. Ray florets 1-seriate, yellow; corolla 9-11 × 3-3.5 mm, 2- or 3-dentate. Disk corolla 4-4.5 mm, 5-lobed. Achenes obovoid, ca. 3.5 × 1.5-2 mm, coarsely hairy at tip; pappus vase- or cup-shaped. Fl. Mar-Sep.
Paddy ridges, in grassy fields and moist lowland depressions in the north, also common in littoral areas. Fujian, Guangdong, Liaoning, Taiwan [India, Indonesia, Japan, Myanmar, Philippines, Sri Lanka, Thailand, Vietnam].
 


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