geff.2007's picture

Brown-rayed Knapweed

Observed: 3rd July 2009 By: geff.2007geff.2007’s reputation in Plantsgeff.2007’s reputation in Plantsgeff.2007’s reputation in Plantsgeff.2007’s reputation in Plantsgeff.2007’s reputation in Plants
Knapweed, Brown-Rayed
Knapweed, Brown-Rayed (1)
Description:

C.jacea is the only name I can come up with this plant with flower head similar to Greater Knapweed but with long pointed leaves with a prominent central rib. Variously known as Brown-rayed or Brown Knapweed.

Identifications
Species interactions

No interactions present.

Species with which Centaurea interacts

Comments

martinjohnbishop's picture

There are many similar

There are many similar species.
A view of the phyllaries (with their complex toothed upper portion) is needed to get started. Another one to look at would be Centaurea phrygia.