Selected images for brown knapweed (Centaurea jacea )
Brown knapweed is a perennial plant that grows 1-3 ft (0.3-0.9 m) tall and invades dry fields, roadsides and meadows. The basal leaves are oblanceolate to elliptic and 2-10 in. (5 -25 cm) long. Leaves become smaller and more linear as they move up the stem. Flowering occurs from June to September, when magenta flowers appear in 1-1 1/4 in. (2.5-3.2 cm) wide, solitary heads at the tips of the branches. Brown knapweed is native to Europe.
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 1350056 brown knapweed Centaurea jacea Plant(s) Cindy Roche |
 5436660 brown knapweed Centaurea jacea Plant(s) Bruce Ackley |
 5436657 brown knapweed Centaurea jacea Foliage Bruce Ackley |
 5436650 brown knapweed Centaurea jacea Foliage Bruce Ackley |
 5474974 brown knapweed Centaurea jacea Foliage Rob Routledge |
 1350057 brown knapweed Centaurea jacea Flower(s) Cindy Roche |
 5436654 brown knapweed Centaurea jacea Flower(s) Bruce Ackley |
 5436658 brown knapweed Centaurea jacea Flower(s) Bruce Ackley |
 5474971 brown knapweed Centaurea jacea Flower(s) Rob Routledge |
 5474972 brown knapweed Centaurea jacea Flower(s) Rob Routledge |
 5436663 brown knapweed Centaurea jacea Flower(s) Bruce Ackley |
 5436664 brown knapweed Centaurea jacea Seed(s) Bruce Ackley |
