meadow knapweed
Centaurea x moncktonii C. E. Britton[C. jacea X C. nigra]

Overview

Meadow knapweed is a hybrid between brownray knapweed (Centaurea jacea L.) and lesser knapweed (Centaurea nigra L.). This perennial knapweed prefers moist roadsides, river banks, moist meadows and forest openings. Leaves are up to 6 in. (15.2 cm) long and 1 in. (2.5 cm) wide and decrease in size as they move up the stem. The lower leaves are toothed or lobed and the upper leaves are linear. Flowering occurs in May to August. Flowers are pink to purple, contained in heads and located at the tips of the branches. Bracts subtending the flower head are brown with a fringed margin. Seeds are 1/8in. (0.3 cm) long. Meadow knapweed is native to Europe.

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Maps


EDDMapS Distribution - This map is incomplete and is based only on current site and county level reports made by experts, herbaria, and literature. For more information, visit www.eddmaps.org

EDDMapS Distribution

State Invasive List - This map identifies those states that list this species on their invasive species list. For more information, visit Invasive.org

State Invasives List

Taxonomic Rank

Kingdom: Plantae
Phylum: Magnoliophyta
Class: Magnoliopsida
Subclass: Asteridae
Order: Asterales
Family: Asteraceae
Genus: Centaurea

Other System Links

Plants: CEMO6
GRIN: 432926
ITIS: 36957

Categories

Category: Forbs/Herbs