Prickly Pear Cactus (Opuntia chlorotica)
Facts
There are about 144 species of cacti in the genus Opuntia.
All but one species in the family Cactaceae occurs naturally only in the new world.
Some species of prickly pear have been recorded in Australia as some of the worst invasive pests ever introduced.
Hybridization is very common between species of cacti in the genus Opuntia.
Opuntia is the most diverse genus in the plant family.