Knapweed – Spotted

Centaurea maculosa

Family Composite (Compositae)
Bloom Summer
Habitat Dry, sun, meadows, fields, dunes, roadsides
Status Non-Native – INVASIVE
Cycle Biennial
Height 1-4′
Flower Each plant produces 25-100 lavender flower heads. Each flower is a shaggy blossom about 1″ wide. Flowers are at the end of the stems. The central part of the flower consists of many individual tubular flowers. Each flower is surrounded underneath by black-tipped bracts.
Leaf Lower leaves are deeply lobed 4-8″ long with many narrow lobes. There are only a few leaves on the stems and they are much smaller.
Notes Stems are rough, wiry, and grayish-green.


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