Pansy, Viola x wittrockiana cultivar. Two flowers viewed from behind with one slightly forward of the other.

Cactus, Barrel cactus, Erocactus echidne, Detail showing pattern of spiky needles.-

Euphorbia polyacantha, Mass of spiky plants growing outdoor.-

Candelabra tree, Euphorbia candelabrum, Side view showing pattern against a blue sky.-

Euphorbia echinus, Detail showing the pattern of spiky needles.-

Cactus, Golden Barrel Catus, Echinocactus Grusonii var. Subinermis, Aerial view showing pattern of the spiky needles.-

Euphorbia echinus, Mass of green spiky plants growing outdoor.-

Cactus, Golden Barrel Cactus, Echinocactus grusonii, Detail of spiky plant showing mass of needles.-

Cactus, Golden Barrel Cactus, Echinocactus grusonii, Aerial view of spiky plant showing mass of needles.-

Houseleek, Sempervivum, Detail of yellow coloured plant showing pattern.-

Prickly pear cactus, Opuntia cochenillifera, Side view of older leaf with newer fresh leaf growing from it.

Rose Easter cactus, Rhipsalidopsis rosea, Close view of unfurling, yellow tipped pink stamens and white stigma in the centre of the pink flower.

Rose Easter cactus, Rhipsalidopsis rosea, Close view of two mirrored, adjoining flowers with unfurling, yellow tipped pink stamens and white stigma in the centre.