Greater Knapweed

Plant Bio

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

Description

• 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

News

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posted: September 11, 2017
Annual General Meeting - Northwest Invasive Plant Council

Join us for our Annual General Meeting.

October 19th, 2017
9:30 AM to 2:00 PM
North Cariboo Senior Soccer League Clubhouse
4222 18th Ave,...

posted: July 14, 2017
Attend the BC Northern Exhibition for free!

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...