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天人菊Gaillardia pulchella

时间:2013-07-23 08:15来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ):天人菊 学名( Scientific Name ): Gaillardia pulchella Foug. 英文名( English Common Name ): Indian blanket 别名( Chinese Common Name ): 虎皮菊 异名( Synonym ): Gaillardia villosa Rydb. Calonnea pulcherri






中文名(Chinese Name):天人菊
学名(Scientific Name):Gaillardia pulchella Foug.
英文名(English Common Name):Indian blanket
别名(Chinese Common Name):虎皮菊
异名(Synonym):Gaillardia villosa Rydb.  Calonnea pulcherrima Buc'hoz  Gaillardia neomexicana A.Nelson  Galordia alternifolia Raeusch.  Gaillardia drummondii (Hook.) DC.  Gaillardia lobata Buckley  Gaillardia scabrosa Buckley  Gaillardia pulchella f. lorenziana Voss  Gaillardia pulchella var. albiflora Cockerell  Gaillardia pulchella var. simplex Voss  Gaillardia pulchella var. tubulosa Voss
科属(Family & Genus):菊科(Compositae)天人菊属
形态特征(Description):一年生草本,高20-60厘米。茎中部以上多分枝,分枝斜升,被短柔毛或锈色毛。下部叶匙形或倒披针形,长5-10厘米,宽1-2厘米,边缘波状钝齿、浅裂至琴状分裂,先端急尖,近无柄,上部叶长椭圆形,倒披针形或匙形,长3-9厘米,全缘或上部有疏锯齿或中部以上3浅裂,基部无柄或心形半抱茎,叶两面被伏毛。头状花序径5厘米。总苞片披针形,长1.5厘米,边缘有长缘毛,背面有腺点,基部密被长柔毛。舌状花黄色,基部带紫色,舌片宽楔形,长1厘米,顶端2-3裂;管状花裂片三角形,顶端渐尖成芒状,被节毛。瘦果长2毫米,基部被长柔毛。冠毛长5毫米。花果期6-8月。
分布(Distribution):原产地不详细,我国南北均有栽培。
用途(Use):
引自中国植物志英文版FOC Vol. 20-21 Page 878
Gaillardia pulchella Fougeroux, Hist. Acad. Roy. Sci. Mém. Math. Phys. (Paris, 4to). 1786: 5. 1788.
天人菊 tian ren ju | Asteraceae  | Gaillardia
Herbs, annual, 10-60 cm. Leaves cauline, sessile to subsessile; blade linear, oblong, or spatulate, 5-10 cm × 4-12(-35) mm, densely strigillose or hirtellous to ± villous, margin usually entire, sometimes toothed or lobed. Phyllaries 18-28, narrowly triangular-attenuate to linear-attenuate, 6-14 mm, margin usually ciliate with jointed hairs. Receptacular setae 1.5-3 mm. Ray florets usually 8-14; corolla usually reddish to purplish proximally, yellow to orange distally, rarely yellow, reddish, or purplish throughout, 13-30 mm. Disk florets numerous; corolla yellowish to purple or brown, often bicolored; tube 0.8-1.2 mm; throat campanulate to urceolate, 3-4 mm; lobes deltate to ovate, often attenuate. Achenes obpyramidal, 2-2.5 mm; hairs 1.5-2 mm, inserted at base and on angles; pappus of 7 or 8 deltate to lanceolate, aristate scales 4-7 mm. Fl. May-Aug. 2n = 34.
Widely cultivated and naturalized in China [native to North America].
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