Cactoideae

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Template:Short description Template:Automatic taxobox The Cactoideae are the largest subfamily of the cactus family, Cactaceae, and are widely distributed throughout the Americas. Cactaceae is the 5th most endangered plant or animal family evaluated globally by the International Union for Conservation of Nature.[1] Around 80% of cactus species belong to this subfamily.[2] The genera of the Cactoideae are characterized by microscopic foliage leaves. All photosynthesis occurs in shoot cortex cells covered by a persistent epidermis and stomata. Another important characteristic of this subfamily is ribbed stems, which enable the inner cortex to expand radially without breaking the shoot surface to absorb large quantities of water.[3]

since August 2018Template:Dated maintenance category (articles)Script error: No such module "Check for unknown parameters"., the internal classification of the family Cactaceae remained uncertain and subject to change. A classification incorporating many of the insights from the molecular studies was produced by Nyffeler and Eggli in 2010.[4] Various revisions have been published since, e.g. to the tribes Hylocereeae and Echinocereeae,[5] and the tribe Cereeae.[6] Classifications remained uncertain since December 2024Template:Dated maintenance category (articles)Script error: No such module "Check for unknown parameters"..

Tribes and genera

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References

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  3. Mauseth, J. D. (2006). Structure–function relationships in highly modified shoots of Cactaceae. Annals of Botany, 98(5), 901-926.
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