Cactus.

Cactus, Pincushion cactus, Mammillaria.

Cactus.

Agave, Agave filifera.

Spiral flower arrangement including red cactus flower against a black background.

Cactus, Echinopsis.

Cactus, Crown cactus, Rebutia.

Cactus, Golden barrel cactus, Echinocactus grusonii.

Prickly Pear Cactus, Opuntia.

Cactus, Pincushion cactus, Mammillaria spinisissima.

Cactus.

Cactus.