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大花金鸡菊Coreopsis grandiflora

时间:2013-07-23 07:55来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ):大花金鸡菊 学名( Scientific Name ): Coreopsis grandiflora Hogg ex Sweet 英文名( English Common Name ): largeflower tickseed 别名( Chinese Common Name ): 大花婆斯菊 异名( Synonym ): Coreopsis boykiniana






中文名(Chinese Name):大花金鸡菊
学名(Scientific Name):Coreopsis grandiflora Hogg ex Sweet
英文名(English Common Name): largeflower tickseed
别名(Chinese Common Name):大花婆斯菊
异名(Synonym):Coreopsis boykiniana Nutt.  Coreopsis saxicola Alexander  Coreopsis longipes Hook.  Coreopsis heterolepis Sherff  Coreopsis harveyana A.Gray  Coreopsis saxicola var. duncanii Sherff  Coreopsis grandiflora f. demareei Sherff  Coreopsis grandiflora f. harveyana (A.Gray) Sherff  Coreopsis grandiflora f. longipes (Hook.) Voss  Coreopsis grandiflora f. pilosa (Sherff) E.B.Sm.  Coreopsis grandiflora var. grandiflora Hogg ex Sweet  Coreopsis grandiflora var. harveyana (A.Gray) Sherff  Coreopsis grandiflora var. inclinata J.R.Allison  Coreopsis grandiflora var. longipes (Hook.) Torr. & A.Gray  Coreopsis grandiflora var. pilosa Sherff  Coreopsis grandiflora var. saxicola (Alexander) E.B.Sm.  Coreopsis grandiflora var. subintegrifolia Torr. & A.Gray
科属(Family & Genus):菊科(Compositae)金鸡菊属
形态特征(Description):多年生草本,高20-100厘米。茎直立,下部常有稀疏的糙毛,上部有分枝。叶对生;基部叶有长柄、披针形或匙形;下部叶羽状全裂,裂片长圆形;中部及上部叶3-5深裂,裂片线形或披针形,中裂片较大,两面及边缘有细毛。头状花序单生于枝端,径4-5厘米,具长花序梗。总苞片外层较短,披针形,长6-8毫米,顶端尖,有缘毛;内层卵形或卵状披针形,长10-13毫米;托片线状钻形。舌状花6-10个,舌片宽大,黄色,长1.5-2.5厘米;管状花长5毫米,两性。瘦果广椭圆形或近圆形,长2.5-3毫米,边缘具膜质宽翅,顶端具2短鳞片。花期5-9月。
分布(Distribution):原产美洲,我国各地有栽培。
用途(Use):
引自中国植物志英文版FOC Vol. 20-21 Page 860, 861
Coreopsis grandiflora Hogg ex Sweet, Brit. Fl. Gard. 2: t. 175. 1826.
大花金鸡菊 da hua jin ji ju | Asteraceae  | Coreopsis
Perennials, 40-60 cm. Aerial nodes proximal to first peduncle usually 6-10+ cm, upper 1-3 internodes 4-7+ cm. Leaves mostly cauline on proximal 2/3-7/8 of plant height; petioles absent or 10-35+ mm; blades usually 1(or 2)-irregularly pinnately or ± pedately lobed with (3-)5-9+ lobes, rarely simple, simple blades or terminal lobes narrowly lanceolate to linear or filiform, 15-45(-90+) × (0.5-)2-8(-12+) mm. Peduncles 8-15(-25+) cm; calycular bracts lanceolate to linear, 3.5-9+ mm; phyllaries lanceolate-ovate, 7-9(-12) mm. Ray limbs yellow, 12-25+ mm. Disk corollas 3.3-4.8 mm, apices yellow. Achenes 2-3+ mm, wings spreading, ± papery, entire or irregularly toothed to pectinate. Fl. May-Aug. 2n = 26.
Sandy soils, ditches and roadsides, other disturbed sites, granite and sandstone outcrops. Widely cultivated and naturalized in China [native to North America].
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