Cactaceae

Rhinoceros cactus

Coryphantha echinus (Engelm.) Britton & Rose

Family: Cactaceae
Genus: Coryphantha

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Rhinoceros cactus (Coryphantha echinus) — FlowerPhoto: Ian McFaul, CC BY 4.0, from iNaturalist

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Common names

By language (1)

English: Rhinoceros cactus

Synonyms

Cactus echinus (Engelm.) Kuntze
Cactus pectinatus (Engelm.) Kuntze
Coryphantha cornifera var. echinus (Engelm.) L.D.Benson
Coryphantha echinus var. robusta A.M.Powell
Coryphantha pectinata (Engelm.) Britton & Rose
Coryphantha radians var. echinus (Engelm.) Y.Itô
Coryphantha radians var. pectinata (Engelm.) Borg
Mammillaria echinus Engelm.
Mammillaria pectinata Engelm.
Mammillaria pertinata Engelm.
Mammillaria radians f. echinus (Engelm.) Schelle
Mammillaria radians var. echinus (Engelm.) K.Schum.

Characteristics

Growth habit: Shrub
Lifespan: Perennial
In the US and Canada: Lower 48 states: native

Photos

FlowerPhoto: Ian McFaul, CC BY 4.0, from iNaturalist
FlowerPhoto: Gary Bowers, CC BY 4.0, from iNaturalist
Photo: waldo_jeffers, CC BY 4.0, from iNaturalist
Photo: Gary Bowers, CC BY 4.0, from Wikimedia Commons
Photo: CK2AZ, CC BY 4.0, from iNaturalist
Photo: Eric Knight, CC BY 4.0, from Wikimedia Commons
Photo: Ian McFaul, CC BY 4.0, from iNaturalist
Photo: Trevor Harding, CC BY 4.0, from Wikimedia Commons
Photo: Wendy A, CC0, from iNaturalist
Photo: Trevor Harding, CC BY 4.0, from Wikimedia Commons
Photo: Ian McFaul, CC BY 4.0, from iNaturalist
Photo: Trevor Harding, CC BY 4.0, from Wikimedia Commons

More in Coryphantha

Sources: classification, synonyms from World Flora Online Plant List (2026-06, CC0 1.0); common names, US characteristics from USDA PLANTS Database (2025-05-29, CC0 1.0); popularity from Wikidata (2026-10-26, CC0 1.0). About our plant data.