Blue atlas cedar, Cedrus atlantica Glauca Group, A cone hanging on a branch showing the rosettes of needles.

Blue atlas cedar, Cedrus atlantica Glauca Group, A cone hanging on a branch showing the rosettes of needles.

Deodar tree, Cedrus deodara, A cone hanging on a branch showing the fine needles.

Anemone coronaria, flower viewed from the side with a dynamic appearance showing centre cone and stamens.

Anemone coronaria, red and white flower viewed from the side with a dynamic appearance showing centre cone and stamens.

Anemone coronaria, red and white flower viewed from the side with a dynamic appearance showing centre cone and stamens.

Black-eyed Susan, Rudbeckia hirta 'Moreno', orange tinged mahogony flower showing ring of yellow stamens around the black cone.

Sea holly, known as Miss Wilmott's ghost, Eryngium giganteum, single silvery flower showing central cone and spikey skirt or bract. A bee and other insects are feeding on the nectar.

Sea holly, known as Miss Wilmott's ghost, Eryngium giganteum, single silvery flower showing central cone and spikey skirt or bract.

Purple coneflower, Echinacea purpurea, flower in foreground of others with pink re-curved petals around central brown cone.

Coneflower, Black-eyed Susan, Rudbeckia flowers with bright yellow petals surrounding central cone against blue sky.

Cutleaf coneflower, Rudbeckia laciniata Herbstsonne. Yellow flower with green central cone.