Oreocereus trollii
Oreocereus trollii (Kupper) Backeb.

Oreocereus trollii (Kupper) Backeb., known as the Old Man of the Andes cactus, is a cactus species found in Argentina and Bolivia. It is part of the Cactaceae family and was first described in 1929. The species is classified as Least Concern by the IUCN, though it faces local threats due to extensive collection.
Description
Oreocereus trollii is a member of the Cactaceae family and is native to the regions of Argentina and Bolivia. Despite its IUCN status of Least Concern, the species is subject to significant collection in certain areas, which has led to local threats. The plant is known for its distinctive appearance and is commonly referred to as the Old Man of the Andes cactus.
Distribution
BR · Global · Argentina Northwest · Bolivia
Synonyms
Pilocereus trolliiBorzicactus celsianus var. trolliiBorzicactus trolliiCereus trolliiOreocereus crassiniveusOreocereus irigoyeniiEchinopsis trolliiOreocereus trollii var. crassiniveusOreocereus trollii var. tenuior



