Pilosocereus
（重定向自Tree cactus）
![](/Images/godic/202502/17/Pilosocereus_azureus03404.jpg")
![Pilosocereus azureus](/Images/godic/202502/17/Pilosocereus_azureus3405.JPG")
Pilosocereus (from Latin, "hairy cereus") is a genus of cactus. Tree cactus is a common name for Pilosocereus species.
The commonly cultivated Pilosocereus pachycladus (syn. Pilosocerus azureus) is a blue cactus with hairy areoles that emit golden spines.