Pilosocereus

Pilosocereus
Pilosocereus catingicola
Scientific classification
Kingdom:	Plantae
(unranked):	Angiosperms
(unranked):	Eudicots
(unranked):	Core eudicots
Order:	Caryophyllales
Family:	Cactaceae
Subfamily:	Cactoideae
Tribe:	Cereeae
Genus:	Pilosocereus Byles & G. D. Rowley
Species
See text
Synonyms
Pilocereus K.Schum. Pseudopilocereus Buxb.

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.

Synonymy

The genera Pilocereus K.Schum. and Pseudopilocereus Buxb. are synonyms of this genus.

Selected species

• Pilosocereus arrabidae (Lem.) Byles & G.D.Rowley (Brazil)
• Pilosocereus aureispinus (Buining & Brederoo) F.Ritter (Brazil)
• Pilosocereus azulensis N.P.Taylor & Zappi (Brazil)
• Pilosocereus catingicola
• Pilosocereus floccosus Byles & G.D.Rowley (Brazil)
• Pilosocereus fulvilanatus (Buining & Brederoo) F.Ritter (Brazil)
• Pilosocereus glaucescens
• Pilosocereus glaucochrous (Werderm.) Byles & G.D.Rowley (Brazil)
• Pilosocereus lanuginosus (endemic to Aruba, Bonaire and Curaçao))
• Pilosocereus magnificus (Buining & Brederoo) F.Ritter (Brazil)
• Pilosocereus multicostatus F.Ritter
• Pilosocereus piauhyensis (Gürke) Byles & G.D.Rowley (Brazil)
• Pilosocereus polygonus (Lam.) Byles & G.D.Rowley, 1957 (endemic to Hispaniola)
• Pilosocereus robinii (Robin Tree Cactus, Key Tree Cactus, Northern Bahamas, Florida and Western Cuba)
• Pilosocereus royenii (L.) Byles & G.D.Rowley, 1957 (endemic to Puerto Rico and the Virgin islands)

Pilosocereus azureus