Castor Oil plant, Ricinus communis, Close up of red coloured plant showing spiky detail.-

Castor Oil plant, Ricinus communis, Close up of red coloured plant showing spiky detail.-

Pincushion Euphorbia, Euphorbia enopla, Close up showing spiky texture.

Pincushion Euphorbia, Euphorbia enopla, Close up showing spiky texture.

White Globe Thistle, Echinops bannaticus 'Star Frost' Close up showing the spiky texture.

Echinacea, Purple Coneflower, Echinacea purpurea 'Rubinglow', Close up of flowers with mauve coloured petals and spiky texture.

Echinacea, Purple Coneflower, Echinacea purpurea 'Rubinglow', Close up of flowers with mauve coloured petals and spiky texture.

Echinacea, Purple Coneflower, Echinacea purpurea 'Rubinglow', Close up of flowers with mauve coloured petals and spiky texture.

Echinacea, Purple Coneflower, Echinacea purpurea 'Rubinglow', Close up of flowers with mauve coloured petals and spiky texture.

Echinacea, Purple Coneflower, Echinacea purpurea 'Green Edge', Close up showing the spiky texture.

Globe thistle, Echinops bannaticus 'Taplow Blue', close up with Honey Bee.

Cardoon, Cynara cardunculus. One head in full flower and one opening. Flowers are tiny purple strands surrounded by stiff green purple calyxes.