|Common Name:||Plumeless thistle|
|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|
• 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.
This will be of interest to those writing pest management plans or who work in the vegetation management field. Check out IVMA's website...