Home Weed ID Publications Dictionary Links FAQs Login About us		Plant Description: Name: brown knapweed Scientific Name: Centaurea jacea Family: Asteraceae Type: Broadleaf Lifecycle: Perennial Habit: Brown knapweed reproduces by seeds. It, like most other knapweeds, has a taproot system which allows it to suck water and nutrients from nearby plants. Leaves: The leaves of brown knapweed are egg-shaped or lance shaped. The leaves become smaller as they move up the stem. Leaf Arrangement: Alternate Characteristics: Brown knapweed can be distinguished from other knapweeds due to its brachts, which are tan to brown and paper-like at the edges. Flower Seed Head: The flower heads of brown knapweed are 1 inch to 1 1/4 inch in diameter. They are ray type flowers and most often are magenta in color. The flowers bloom from June to October. Seed Fruit: Brown knapweed seeds have tufts on the end and are approximately 1/8 inch long. The seeds are the source of reproduction. Where Found: Brown knapweed is found throughout the North East and North Western United States. It originated and is found throughout Europe. Control Options Related Plants Terms and Definitions Additional Images:
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