Names
| English name | Columnar Cactus |
| Alternative English name | Organ Pipe Cactus |
| Alternative English name | Dildo |
| Valid name | Pilosocereus royenii (L.) Byles & G.D.Rowley |
| Synonym | Cephalocereus royenii (L.) Britton & Rose |
| Basionym | Cactus royenii L. |
Classification
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Plantae [kingdom]
Plants
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Tracheophyta [phylum]
Vascular Plants
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Spermatopsida [class]
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Caryophyllales [order]
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Cactaceae [family]
Cactus Family
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Pilosocereus Byles & G.D. Rowley [genus]
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Pilosocereus royenii (L.) Byles & G.D.Rowley [species]
Columnar Cactus
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Pilosocereus royenii (L.) Byles & G.D.Rowley [species]
Columnar Cactus
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Pilosocereus Byles & G.D. Rowley [genus]
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Cactaceae [family]
Cactus Family
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Caryophyllales [order]
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Spermatopsida [class]
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Tracheophyta [phylum]
Vascular Plants