Hippocastanaceae A. Richard. Horse-chestnut Family.

A family of 3 genera and about 16 species, trees and shrubs, of North America, Asia, Europe, and Mexico to South America. The Hippocastanaceae has traditionally been accorded family rank, but in recent decades usually included in Sapindaceae as an early-diverging subfamily and/or tribe, as by APG IV (2016) and Buerki et al. (2021). A counter-case for family rank was made by Buerki et al. (2010). Buerki et al (2021) meekly followed APG IV, stating "while there is strong justification for these familial delimitations... and the decision to recognize one or four families is a matter of preference, the Angiosperm Phylogeny Group (APG IV, 2016) adopted a single, broadly defined family, and the classification presented here is aligned with their interpretation."

Ref: Acevedo-Rodríguez et al. (2011) In Kubitzki (2011); APG IV (2016); Buerki et al. (2010); Buerki et al. (2021); Du, Harris, & Xiang (2020). Show full citations.

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