North American perennial with apparently whorled leaves and showy white purple-tinged flowers.

螺旋状开略带紫色白花的北美紫菀。

North American perennial with apparently whorled leaves and showy white purple - tinged flowers.

叶片呈螺旋状开略带紫色白花的北美紫菀.

North American herb having whorled leaves and terminal clusters of small pinkish or purple flower heads.

北美的一种杂草,具有带紫色或带紫斑色的轮生叶,顶端有头状花序.