Common name:
Common knapweed
Family:
Scientific name:
Centaurea nigra
Main flower color:
Range:
All across the UK
Height:
Up to 60 cm
Habitat:
Grassland, meadows, roadsides, disturbed ground
Flowers:
Flowerheads are usually solitary, up to 4 cm in diameter; they have a cluster of pink disc florets, some spreading when mature, above an egg-shaped involucre ringed with triangular bracts, mostly coloured brown though pale green at the base, with branched bristles along their margins. A few leaves grow just below the flowerhead
Leaves:
Narrowly lanceolate, with wavy edges and rough-hairy surfaces; those near the base may be shallowly lobed
Season:
June to September
Rarity:
★★★★★
