Oreocereus

Oreocereus
A small O. celsianus
Scientific classification
Kingdom:	Plantae
(unranked):	Angiosperms
(unranked):	Eudicots
(unranked):	Core eudicots
Order:	Caryophyllales
Family:	Cactaceae
Subfamily:	Cactoideae
Tribe:	Trichocereeae
Genus:	Oreocereus (A.Berger) Riccob.
Species
Oreocereus celsianus - old man of the Andes Oreocereus doelzianus Oreocereus fossulatus Oreocereus hendriksenianus Oreocereus leucotrichus Oreocereus maximus Oreocereus ritteri Oreocereus trollii Oreocereus variicolor etc.

Oreocereus is a genus of cacti (family Cactaceae), known only from high altitudes of the Andes. Its name was formed from Greek and means "mountain cereus".

Synonymy

The following genera have been included in this genus:

• Arequipa Britton & Rose
• Arequipiopsis Kreuz. & Buining
• Morawetzia Backeb.
• Submatucana Backeb.