Summary description from Wikipedia:

Cephalocereus senilis in languages:

Dutch

grijsaard

English

old man cactus

Japanese

オキナマル

Japanese

翁丸

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Parent Taxon

• Cephalocereus

Sibling Taxa

• Cephalocereus apicicephalium
• Cephalocereus columna-trajani
• Cephalocereus euphorbioides
• Cephalocereus fulviceps
• Cephalocereus laui
• Cephalocereus macrocephalus
• Cephalocereus mezcalaensis
• Cephalocereus multiareolatus
• Cephalocereus nizandensis
• Cephalocereus nudus
• Cephalocereus parvispinus
• Cephalocereus polylophus
• Cephalocereus sanchezmejoradae
• Cephalocereus scoparius
• Cephalocereus senilis
• Cephalocereus tetetzo
• Cephalocereus totolapensis

Top Observation Places

• Ecatepec de Morelos
• Xochimilco
• Tláhuac