Opuntia cochenillifera

Ebyabe, CC BY-SA 3.0 <http://creativecommons.org/licenses/by-sa/3.0/>, via Wikimedia Commons

Opuntia cochenillifera is a species of cactus in the subfamily Opuntioideae. It may have been endemic to Mexico, but has been widely introduced. The first description was in 1753 by Carl Linnaeus as Cactus cochenillifer. Philip Miller renamed it as Opuntia cochenillifera in 1768. 

Opuntia dillenii

Opuntia stricta (dillenni)

Opuntia dillenii is a species of prickly pear native to the tropical and subtropical Americas. It is naturalized in many other parts of the world. It differs from O. stricta by having more spines per arose (usually more than 3).

The native range of this species is Mexico, S. Jamaica. It is a succulent shrub and grows primarily in the seasonally dry tropical biome. It is used as animal food and a medicine, has environmental uses and social uses and for food.

prosopis velutina

Sue in az, CC BY-SA 3.0 <http://creativecommons.org/licenses/by-sa/3.0/>, via Wikimedia Commons

Prosopis velutina, commonly known as velvet mesquite, is a small to medium-sized tree. It is a legume adapted to a dry, desert climate. Though considered to be a noxious weed in states outside its natural range, it plays a vital role in the ecology of the Sonoran Desert.

Cereus peruvianus

With an often tree-like appearance, its cylindrical gray-green to blue stems can reach 10 metres (33 feet) in height and 10–20 cm in diameter as a self-supporting plant. However, if supported by a scaffold, C. repandus has grown to a height of 110 feet (34 meters) at the SDM College of Dental Sciences at Dharwad, Karnataka, India, technically making this the tallest cactus plant in the world, although no cactus under natural conditions exceeds eighty-two feet (25 meters) in height in the case of Cereus stenogonus. There are nine to ten rounded ribs that are up to...