| Common Name: | Greater knapweed |
| Family: | Asteraceae |
| Genus: | Centaurea |
| Species: | scabiosa |
| Classification/Rank: | Extremely Invasive |
| Method of Transportation: | |
| Habitat/Range: | • two sites reported east of Burns Lake, and one in Telkwa in 1997; may have been first record of this knapweed in BC |
• perennial herb that rows 0.3 to 1.5 m tall
• stems erect, densely branched; branches green, five angled, sparsely black hairy, tipped with spines
• basal leaves egg-shaped in outline, deeply irregularly pinnately segmented with narrow, lance shaped segments; stem leaves broader, reduced upwards
• flowers are purple; heads discoid, few to several on ascending branches; bracts egg to lance shaped, black or brown
The Northwest Invasive Plant Council will have an Information Booth at this year's BCNE, and we're looking for volunteers to help out.
You...
Watch this short video from the Province about invasive species and their impacts on BC - Invaders! Invasive Species in BC
