Hippocastanoideae is a subfamily of

flowering plant Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (), commonly called angiosperms. The term "angiosperm" is derived from the Greek words ('container, vessel') and ('seed'), and refers to those plants th ...

s in the

soapberry Soapberry is a common name for several plants and may refer to: * Plants in the genus ''Sapindus'', native to warm temperate to tropical regions in both the Old World and the New World. The berries of these plants contain a natural, low-sudsing de ...

family Sapindaceae. The group was formerly treated as the separate families Aceraceae and Hippocastanaceae. Molecular phylogenetic research by Harrington et al. (2005) has shown that while both the Aceraceae and Hippocastanaceae are monophyletic in themselves, their removal from the Sapindaceae ''sensu lato'' would leave Sapindaceae ''sensu stricto'' as a paraphyletic group, particularly with reference to the genus ''

Xanthoceras ''Xanthoceras sorbifolium'', the yellowhorn, shiny leaf yellowhorn, goldenhorn, or Chinese flowering chestnut, is a woody oil tree species in the family Sapindaceae, and the only species in the genus ''Xanthoceras''. It is native to northern Chin ...

''. The most widespread genera are '' Acer'' (the maples) and ''

Aesculus The genus ''Aesculus'' ( or ), with species called buckeye and horse chestnut, comprises 13–19 species of flowering plants in the family Sapindaceae. They are trees and shrubs native to the temperate Northern Hemisphere, with six spe ...

'' (the horse chestnuts and buckeyes). A feature of the subfamily is the palmate compound leaves.Hippocastanaceae
in L.Watson and M.J.Dallwitz. 1992 onwards. The families of flowering plants.

Genera

References

Rosid subfamilies {{Sapindales-stub