| Centaurea | knapweed |
|---|---|
| Centaurea | annual of southwestern United States cultivated for its purple-rayed flower heads and its bracts that resemble small baskets |
| Centaurea | a plant having leaves and stems covered with down that resembles dust |
| Centaurea | an annual Eurasian plant cultivated in North America having showy heads of blue or purple or pink or white flowers |
| Centaurea | a plant having leaves and stems covered with down that resembles dust |
| Centaurea | perennial of mountains of Iran and Iraq |
| Centaurea | Asian plant widely grown for its sweetly fragrant pink flowers |
| Centaurea | a weedy perennial with tough wiry stems and purple flowers |
| Centaurea | tall European perennial having purple flower heads |
| Centaurea | European weed having a winged stem and hairy leaves |