Madeira cranesbill, Geranium Maderense, Side view of several mauve flowers with deeper centres.

Candelabra tree, Euphorbia candelabrum, Side view of several ridged spikey columns in sunlight against a blue sky.

Moulded wax, Echeveria agavoides, Close view of centre of a plant showing the white dusted leaves.

Natal plum, Carissa macrocarpa, Top view one of white flower against leaves.

Aloe vera, Two plants in foreground, one with a flowering spike and others behind, Growing on a dry terrain against a blue sky.

Madagascar ocotillo, Alluaudia procera, Close side view of small leaflets in patterns along a spiny woody stem, Backlit.

Madagascar ocotillo, Alluaudia procera, Close side view of small leaflets in patterns along a spiny woody stem.

Madagascar ocotillo, Alluaudia procera, Close side view of small leaflets in patterns along a spiny woody stem.

Sage, Salvia officinalis, Close up of mass of dense green leaves of the garden herb.

Chive, Allium schoenoprasum, Purple buds and emerging flowers on long green stems.g

Icelandic poppy, Papaver nudicaule, Close-up detail of a single orange flower with yellow stamen against a green leafy background.

Bear's breeches, Acanthus mollis, Side view of seedhead bearing bright green fruit containing seeds on a plant in autumn.