Yucca, Yucca filamentosa, Close up of white flowers growing outdoor.

Yucca, Yucca filamentosa, Close up of white flowers growing outdoor.

Cactus, Close up shot of multi coloured cactii.

Cactus, Parodia mutabilis, Close up detail of flower stamen.

Cactus, Christmas cactus, Schlumbergera buckleyi, Studio shot of pink flowers.

Cactus, Christmas cactus, Schlumbergera buckleyi, Studio shot of single pink flower.

Cactus, Orchid cactus, Epiphyllum cultivar, Flower of the Night, Exootic white flowers against a black background.

Agave, Royal agave, Agave victoriae-reginae, Detail of green leaves showing pattern.

Houseleek, Sempervivum atlanticum, Close up showing pattern.

Houseleek, Sempervivum atlanticum, Close up showing pattern.

Dahlia, Cactus dahlia, Close up studio shot of single yellow spiky flower.-

Dahlia, Cactus dahlia, Close up studio shot of single yellow spiky flower.