Pilosocereus

Classification System: APG IV

Superregnum: Eukaryota
Regnum: Plantae
Cladus: Angiosperms
Cladus: Eudicots
Cladus: Core eudicots
Ordo: Caryophyllales

Familia: Cactaceae
Subfamilia: Cactoideae
Tribus: Cereeae
Subtribus: Cereinae
Genus: Pilosocereus
Species: P. albisummus – P. alensis – P. armatus – P. arrabidae – P. aureispinus – P. aurilanatus – P. aurisetus – P. azulensis – P. bohlei – P. brasiliensis – P. brooksianus – P. catingicola – P. chrysacanthus – P. chrysostele – P. collinsii – P. colombianus – P. curtisii – P. densiareolatus – P. diersianus – P. flavipulvinatus – P. flexibilispinus – P. floccosus – P. fulvilanatus – P. gaumeri – P. glaucochrous – P. jamaicensis – P. juaruensis – P. kanukuensis – P. lanuginosus – P. leucocephalus – P. machrisii – P. magnificus – P. millspaughii – P. mollispinus – P. moritzianus – P. multicostatus – P. occultiflorus – P. oligolepis – P. pachycladus – P. parvus – P. pentaedrophorus – P. piauhyensis – P. polygonus – P. purpusii – P. pusillibaccatus – P. quadricentralis – P. robinii – P. splendidus – P. × subsimilis – P. tillianus – P. ulei – P. vilaboensis – P. zappiae
Source(s) of checklist:

Korotkova, N. et al. 2021. Pilosocereus in Cactaceae at Caryophyllales.org. A global synthesis of species diversity in the angiosperm order Caryophyllales. Published on the internet. Accessed: 2021 Dec 01. Reference page.

Name

Pilosocereus Byles & G.D.Rowley, Cact. Succ. J. Gr. Brit. 19: 66. 1957.
Type species: Pilosocereus leucocephalus (Poselg.) Byles & G.D.Rowley

Synonyms

Heterotypic
Pseudopilocereus Buxb., Beitr. Biol. Pflanzen 44: 249. 1968.
Pseudopilocereus arrabidae (Lem.) Buxb. 1968.

Distribution
Native distribution areas:
Pilosocereus

Continental: Northern & Southern America
Aruba, Bahamas, Brazil North, Brazil Northeast, Brazil Southeast, Brazil West-Central, Colombia, Cuba, Dominican Republic, Ecuador, Florida, Guatemala, Guyana, Haiti, Honduras, Leeward Is., Mexico Central, Mexico Gulf, Mexico Northeast, Mexico Northwest, Mexico Southeast, Mexico Southwest, Netherlands Antilles, Nicaragua, Paraguay, Peru, Puerto Rico, Trinidad-Tobago, Turks-Caicos Is., Venezuela, Venezuelan Antilles, Windward Is.
Introduced into:
Canary Is., St.Helena

References: Brummitt, R.K. 2001. TDWG – World Geographical Scheme for Recording Plant Distributions, 2nd Edition
References
Primary references

Byles, R.S. & Rowley, G.D. 1957. Cactus and Succulent Journal of Great Britain 19: 66.

Additional references

Lavor, P., Versieux, L.M. & Calvente, A. 2020. Phylogenetic Relationships of Pilosocereus (Cactaceae) and Taxonomic Implications. PlantNow 1(2): 52–70. ResearchGate Reference page.
Korotkova, N., Aquino, D., Arias, S., Eggli, U., Franck, A., Gómez-Hinostrosa, C., Guerrero, P.C., Hernández, H.M., Kohlbecker, A., Köhler, M., Luther, K., Majure, L.C., Müller, A., Metzing, D., Nyffeler, R., Sánchez, D., Schlumpberger, B. & Berendsohn, W.G. 2021. Cactaceae at Caryophyllales. org–a dynamic online species-level taxonomic backbone for the family. Willdenowia 51(2): 251–270. DOI: 10.3372/wi.51.51208 Open access Reference page.

Links

Korotkova, N. et al. 2021. Pilosocereus in Cactaceae at Caryophyllales.org. A global synthesis of species diversity in the angiosperm order Caryophyllales. Published on the internet. Accessed: 2021 Nov. 13. Reference page.
Govaerts, R. et al. 2021. Pilosocereus in Kew Science Plants of the World online. The Board of Trustees of the Royal Botanic Gardens, Kew. Published on the internet. Accessed: 2021 Apr 06. Reference page. }
International Plant Names Index. 2021. Pilosocereus. Published online. Accessed: Apr 06 2021.
Tropicos.org 2021. Pilosocereus. Missouri Botanical Garden. Published on the internet. Accessed: 2021 Apr 06.
Hassler, M. 2021. Pilosocereus. World Plants: Synonymic Checklists of the Vascular Plants of the World In: Roskovh, Y., Abucay, L., Orrell, T., Nicolson, D., Bailly, N., Kirk, P., Bourgoin, T., DeWalt, R.E., Decock, W., De Wever, A., Nieukerken, E. van, Zarucchi, J. & Penev, L., eds. 2021. Species 2000 & ITIS Catalogue of Life. Published on the internet. Accessed: 2021 Apr 06. Reference page.
USDA, ARS, Germplasm Resources Information Network. Pilosocereus in the Germplasm Resources Information Network (GRIN), U.S. Department of Agriculture Agricultural Research Service. Accessed: 09-Oct-10.

Vernacular names
English: Tree cactus
українська: Пілозоцереус

Pilosocereus (from Latin, "hairy cereus") is a genus of cactus. Tree cactus is a common name for Pilosocereus species.[2]

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.[1]
Selected species

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

Pilosocereus azureus
References

"Pilosocereus Byles & G. D. Rowley". Germplasm Resources Information Network. United States Department of Agriculture. 2005-02-01. Archived from the original on 2011-06-06. Retrieved 2009-12-04.
"Pilosocereus". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 3 October 2015.