Family Cactaceae


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Pilosocereus chrysacanthus
Common Name(s): Golden Old Man, Golden-Spined Cactus
Synonym(s): Pilocereus chrysacanthus, Cephalocereus chrysacanthus

P. chrysacanthus

Photo taken at: Desert Botanical Garden , Phoenix, AZ
click any picture to enlarge


P. chrysacanthus
Photo taken at: Desert Botanical Garden , Phoenix, AZ

Pilosocereus lanuginosus
Common Name(s):
Synonym(s): Cactus lanuginosus, Cephalocereus lanuginosus, Cereus moritzianus, Cephalocereus moritzianus, Pilosocereus moritzianus, Cephalocereus columbianus, , Pilosocereus columbianus, Cephalocereus tweedyanus, Pilosocereus tweedyanus, Cereus backebergii, Pilosocereus backebergii, Cereus claroviridis, Pilosocereus claroviridis, Pilosocereus gironensis, Pilosocereus tuberculosus, Pilosocereus tillianus

P. lanuginosus

Photo taken at: Desert Botanical Garden , Phoenix, AZ


Pilosocereus leucocephalus
Common Name(s): Old Man Cactus, Old Man of Mexico
Synonym(s): Pilocereus leucocephalus, Cephalocereus leucocephalus, Cereus cometes, Cephalocereus cometes, Pilosocereus cometes, Cehpalocereus maxonii, Pilosocereus maxonii, Cephalocereus palmeri, Pilosocereus palmeri, Cephalocereus sartorianus, Pilosocereus sartorianus, Pilocereus tehuacanus, Pilosocereus tehuacanus

P. leucocephalus

Photo taken at: Altman Growing Grounds, Vista, CA


P. leucocephalus
Photo taken at: Altman Growing Grounds, Vista, CA

P. leucocephalus
Photo taken at: Huntington Library, San Marino, CA

Pilosocereus pachycladus
Common Name(s):
Synonym(s): Pseudopilocereus pachycladus, Pseudopilocereus azureus, Pilosocereus atroflavispinus, Pseudopilocereus atroflavispinus, Pilosocereus azureus, Pilosocereus oreus, Pseudopilocereus oreus, Pilosocereus pemambucoensis, Pseudopilocereus pernambucoensis, Pilosocereus splendidus, Pseudopilocereus spendidus, Pilosocereus superbus, Pseudopilocereus superbus, Pilosocereus cyaneus, Pilosocereus cenepequei, Pilosocereus schoebelii

P. pachycladus

Photo taken at: My Collection, San Clemente, CA


P. pachycladus
Photo taken at: C&J Cactus Nursery, Vista, CA

P. pachycladus
Photo taken at: C&J Cactus Nursery, Vista, CA

P. pachycladus
Photo taken at: C&J Cactus Nursery, Vista, CA

Pilosocereus glaucochrous
Common Name(s):
Synonym(s): Pilocereus glaucochrous, Pseudopilocereus glaucochrous

P. glaucochrous

Photo taken at: My Collection, San Clemente, CA


P. glaucochrous
Photo taken at: Grigsby Cactus Gardens, Vista, CA

Pilosocereus gounellei
Common Name(s):
Synonym(s): Pilocereus gounellei, Cephalocereus gounellei, Cereus gounellei, Pseudopilocereus gounellei, Pilocereus setosus, Cephalocereus zehntneri, Cereus zehntneri, Pilosocereus zehntneri, Pseudopilocereus zehntneri, Pseudopilocereus superfloccosus, Pilosocereus superfloccosus, Pilosocereus braunii

P. gounellei

Photo taken at: My Collection, San Clemente, CA


Pilosocereus royenii
Common Name(s):
Synonym(s): Cactus royenii, Cephalocereus royenii, Cereus nobilis, Pilocereus nobilis, Cephalocereus nobilis, Pseudopilocereus nobilis, Cereus monoclonos, Cephalocereus monoclonos, Pilosocereus monoclonos, Cereus swartzii, Cephalocereus swartzii, Pilosocereus swartzii, Pilocereus urbanianus, Pilosocereus urbanianus, Cephalocereus brooksianus, Cephalocereus barbadensis, Pilosocereus barbadensis, Cephalocereus gaumeri, Pilosocereus gaumeri

P. royenii

Photo taken at: Grigsby Cactus Gardens, Vista, CA


*Currently 7 of 36 known species shown in this genus.