Summary ²

Cylindropuntia is a genus of cacti (family Cactaceae), containing the cholla. They were formerly treated as a subgenus of Opuntia but have now been separated based on their cylindrical stems ('Opuntia' have flattened stems) and the presence of papery epidermal sheaths on the spines ('Opuntia' have no sheaths). A few species of mat or clump forming opuntioid cacti are currently placed in the genus Grusonia.

Sources and Credits

1. (c) Ken-ichi Ueda, some rights reserved (CC BY-NC-SA), http://www.flickr.com/photos/18024068@N00/181992025
2. (c) Wikipedia, some rights reserved (CC BY-SA), http://en.wikipedia.org/wiki/Cylindropuntia

More Info

• iNat taxon page
• Biodiversity Heritage Library
• BOLD Systems BIN search
• eFloras.org
• Global Biodiversity Information Facility (GBIF)
• SEINet Symbiota portals
• Tropicos

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