sunbeem - Irene
Common Knapweed – Cenaurea nigra
Common knapweed or Black knapweed is part of the Asteracea family and one of the most familiar floral sights in the UK. Common knapweed is a wild flower similar in appearance to a thistle, with a vibrant purple crown thats about 4cm wide. Its a tall branching plant that can grow up to 75cm. The ‘hard head’ of bracts underneath the flower head overlap each other like a pine cone, they are mainly brown but the casual observer only sees the black bristly edges. Common knapweed leaves are dull green with fine hairs and tend to have a narrow oblong shape with a point at both ends.
Common Knapweed – Cenaurea nigra
Common knapweed or Black knapweed is part of the Asteracea family and one of the most familiar floral sights in the UK. Common knapweed is a wild flower similar in appearance to a thistle, with a vibrant purple crown thats about 4cm wide. Its a tall branching plant that can grow up to 75cm. The ‘hard head’ of bracts underneath the flower head overlap each other like a pine cone, they are mainly brown but the casual observer only sees the black bristly edges. Common knapweed leaves are dull green with fine hairs and tend to have a narrow oblong shape with a point at both ends.