Cactus, Torch Cactus, Echinopsis spachiana, Close up detail showing the spiky pattern.-

Cactus, Torch Cactus, Echinopsis spachiana, Close up detail showing the spiky pattern.-

Cactus, Golden Barrel Cactus, Echinocactus grusonii, Mass of small spiky cacti.-

London plane, Platanus hispanica, Red spiky fruit growing on the tree.-

Cucumber, Wild Cucumber, Cucumis africanus, Spiky green vegetables on wooden slats.-

Cucumber, Wild Cucumber, Cucumis africanus, Spiky green vegetables on wooden slats.-

Cactus, Mexican Giant Cardon, Pachycereus pringlei, Details of spiky plant against blue sky.-

Cactus, Coastal Prickly Pear Cactus, Opuntia littoralis, Detail showing pattern of spiky needles.-

Cactus, Prickly Pear Cactus, Opuntia cochenillifera, Detail of spiky plant against blue sky.-

Cactus, Tunicata Cactus, Opuntia tunicata, Detail showing pattern of spiky needles.-

Cactus, Tunicata Cactus, Opuntia tunicata, Detail showing pattern of spiky needles.-

Cactus, Pincushion Cactus, Mammillaria bombycina, Aerial view of spiky plants.-