Brown Knapweed
Description
- Popular name(s): Brown Knapweed, Brownray Knapweed
- Botanical name: Centaurea jacea
- Family: Asteraceae
- Origin: Asia (Georgia, Russia, Turkey), Europe, North Africa (Algeria, Morocco, Tunisia) and as an invasive species in North America and Australia
- Height: 30 to 80 centimetres
- USDA zone: 5 (-23 °C)