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Family Cactaceae
 Acanthocalycium
 Acanthocereus
 Acharagma
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 Aztekium
 Bergerocactus
 Blossfeldia
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 Brasiliopuntia
 Browningia
 Calymmanthium
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 Cephalocleistocactus
 Cereus
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 Cleistocactus
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 Coleocephalocereus
 Consolea
 Copiapoa
 Corryocactus
 Corynopuntia
 Coryphantha
 Cumulopuntia
 Cylindropuntia
 Dendrocereus
 Denmoza
 Discocactus
 Disocactus
 Echinocactus
 Echinocereus
 Echinomastus
 Echinopsis
 Epiphyllum
 Epithelantha
 Eriosyce
 Escobaria
 Escontria
 Espostoa
 Espostoopsis
 Eulychnia
 Facheiroa
 Ferocactus
 Frailea
 Geohintonia
 Grusonia
 Gymnocalycium
 Haageocereus
 Harrisia
 Hatiora
 Hylocereus
 Isolatocereus
 Jasminocereus
 Lasiocereus
 Leocereus
 Lepismium
 Leptocereus
 Leuchtenbergia
 Lophophora
 Maihuenia
 Maihueniopsis
 Mammillaria
 Mammilloydia
 Matucana
 Melocactus
 Micranthocereus
 Micropuntia
 Mila
 Miqueliopuntia
 Myrtillocactus
 Neobuxbaumia
 Neolloydia
 Neoraimondia
 Neowerdermannia
 Obregonia
 Opuntia
 Oreocereus
 Oroya
 Ortegocactus
 Pachycereus
 Parodia
 Pediocactus
 Pelecyphora
 Peniocereus
 Pereskia
 Pereskiopsis
 Pierrebraunia
 Pilosocereus
 Polaskia
 Praecereus
 Pseudoacanthocereus
 Pseudorhipsalis
 Pterocactus
 Pygmaeocereus
 Quiabentia
 Rauhocereus
 Rebutia
 Rhipsalis
 Samaipaticereus
 Schlumbergera
 Sclerocactus
 Selenicereus
 Stenocactus
 Stenocereus
 Stephanocereus
 Stetsonia
 Strombocactus
 Sulcorebutia
 Tacinga
 Tephrocactus
 Thelocactus
 Tunilla
 Turbinicarpus
 Uebelmannia
 Weberbauerocereus
 Weberocereus
 xPacherocactus
 Yavia
 Yungasocereus
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Acanthocereus occidentalis


Common Name(s):
Synonym(s): Acanthocereus tetragonus
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Subfamily: Cactoideae
Tribe: Pachycereeae
 Distribution: Sonora, Sinaloa, Durango, Chihuahua, Nayarit, Jalisco, Colima, Michoacan de Ocampo, Guerrero - Mexico (North America)
Habit: Shrubby
Flower: WhiteEncounterability: Unusual in Collections
Original Description: The Cactaceae 2 p.125 - Britton & Rose (1920)
Stems rather weak, forming dense thickets; branches slender, 4 to 5 cm in diameter, 3 to 5-angled, dull green, often bronzed; margins of ribs slightly sinuate; areoles 1 to 3 cm apart, filled with short brown wool; spines numerous, nearly equal, yellowish, acicular, up to 7 cm long; flowers 14 to 18cm long; fruit unknown.
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Acanthocereus occidentalis
A. occidentalis
 Picture taken at: Desert Botanical Garden , Phoenix, AZ

Photographer: Daiv Freeman
Acanthocereus occidentalis
A. occidentalis
 Picture taken at: Desert Botanical Garden , Phoenix, AZ

Photographer: Daiv Freeman
*Currently 6 of 6 known species are represented on CactiGuide.com.


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