Black Knapweed – Bracts

Black Knapweed – Bracts

Black Knapweed Centaurea nigra L. An erect, much-branched perennial up to 80 cm tall. Leaves are variable with smooth to deeply lobed margins. Mature plants form a dense rosette of basal leaves. Flowers are borne on the ends of branches. Flowers are compound with...
Black Knapweed – Flower

Black Knapweed – Flower

Black Knapweed Centaurea nigra L. An erect, much-branched perennial up to 80 cm tall. Leaves are variable with smooth to deeply lobed margins. Mature plants form a dense rosette of basal leaves. Flowers are borne on the ends of branches. Flowers are compound with...
Black Knapweed – Rosette

Black Knapweed – Rosette

Black Knapweed Centaurea nigra L. An erect, much-branched perennial up to 80 cm tall. Leaves are variable with smooth to deeply lobed margins. Mature plants form a dense rosette of basal leaves. Flowers are borne on the ends of branches. Flowers are compound with...
Bird's Foot Trefoil – Leaf

Bird's Foot Trefoil – Leaf

Bird’s Foot Trefoil Lotus corniculatus L. An introduced, many stemmed, prostrate to erect perennial legume growing up to 60 cm tall. Leaves are compound with 5 broad leaflets. The flower head is a cluster of bright yellow pea-like flowers. The fruit is a pod...