An annual Eurasian plant(Centaurea cyanus) in the composite family, cultivated and also naturalized in North America and having showy heads of blue, purple, pink, or white flowers.

• 矢车菊一种亚欧大陆的菊科一年生植物（矢车菊属矢车菊），北美也有种植且适应了的，花冠绚丽，有蓝、紫、粉红或白色花