beechy's picture

Knapweed

Observed: 28th August 2013 By: beechybeechy’s reputation in Plantsbeechy’s reputation in Plantsbeechy’s reputation in Plants
Knapweed
Flowerhead
bud
Lower stem
Lower leaf
Description:

Roadside verge.

Identifications
Species interactions

No interactions present.

Species with which Common Knapweed (Centaurea nigra) interacts

Comments

Wildlife Ranger's picture

AKA Hardheads

Common Knpweed will have single lanceolate leaves unlike greater knapweed with Leaves usually pinnately lobed with oblong or linear segment flowers are also different

HTH

WLR

chrisbrooks's picture

ID comment

Common Knapweed has simple leaves up the stem to just under the flower. Greater Knapweed has the leaf free stem immediately below the flower and the leaves are pinnately divided.