Cacti

Cacti are plants that live in dry places.

The plural of cactus is cacti.

Do you know why cacti have spines?

The cholla cacti were beautiful but prickly.

Cacti need only a little water.

Spanish speakers usually call some cacti "cojines de suegra."

Do you know why cacti have needles?

"Do you know why cacti have spines?" – "So that I can poke you in the bum with them!"

The slimy guts of cacti can purify contaminated water, according to researchers at the University of South Florida, who presented their work at the meeting of the American Chemical Society in San Diego.

One dreams of roses, the other of cacti.