Fig. 3 clonal phenology curves for coreopsis lanceolata .

图3剑叶金鸡菊的克隆生长物候曲线.

A north american annual plant ( coreopsis tinctoria ) widely cultivated for its showy flower heads with yellow rays and purple-red to brownish centers .

金鸡菊一种北美一年生植物（两色金鸡菊金鸡菊属），因其带有黄色伞形花序和紫红。

Any of various plants of the genus coreopsis in the composite family , especially the north american species , having showy radiate flower heads with yellow or , rarely , purplish flowers .

金鸡菊属菊科金鸡菊属的一种植物，尤其是北美的品种，有富丽堂皇的花冠，花色常为黄，少数的呈淡紫色。