Oreocereus celsianus (Old Man of the Andes) is a slow-growing cactus with columnar, green-grey to dark green stems densely covered with …
Browsing: Oreocereus
Oreocereus is a small genus of cacti known only from the high altitudes of the Andes. The generic name means "mountain Cereus."
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Oreocereus hempelianus, also known as Arequipa hempeliana, is an attractive cactus with short cylindrical stems with 10 to 20 ribs and…