Plumeless Thistle

Robert Carr Mark Wenz Robert Carr

Plant Bio

Common Name:Plumeless thistle
Family:Asteraceae
Genus:Carduus
Species:acanthoides
Classification/Rank:Very Invasive
Method of Transportation:
Habitat/Range:• none reported in Northwest BC • occurs in isolated pockets in the Thompson agricutural region, but is a major concern in the Omineca agricultural region

Description

• biennial herb that grows 0.3 to 1.5 m tall
• stems spiny-winged and branched above
• basal leaves lacking; stem leaves narrowly elliptical in outline, deeply lobed or pinately cut, sparsely hairy on main veins, spiny margined
• flowers purprle; heads discoid, clustered, or solitary and erect at the ends of branches

Watch an identification video here.

News

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posted: October 22, 2018
Upcoming Forum on Vegetation Management - Nov 6-8

This will be of interest to those writing pest management plans or who work in the vegetation management field. Check out IVMA's website...

posted: October 6, 2018
AGM coming up - October 30 in Smithers!

2018 AGM and General Members' Meeting - Everyone Welcome!

DATE: Tuesday, October 30, 2018, 10:00 am to 2:00 pm.
PLACE: Royal Canadian...