Cursed cholla
(Grusonia densispina)
Description
Grusonia is a genus of opuntioid cacti (family Cactaceae), originating from the North American Deserts in Southwest United States and northern Mexico, including Baja California. Authors differ on precise boundaries of the genus, which has been included in Cylindropuntia.
Taxonomic tree:
Domain:
Kingdom: Plantae
Phylum:
Class: Magnoliopsida
Order:Caryophyllales
Family:Cactaceae
Genus:Grusonia
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