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Ilex × attenuata, the topal holly, is the result of a cross between Ilex cassine (dahoon) and Ilex opaca (American holly). It is a naturally occurring hybrid found in the southeastern United States where the ranges of the parents overlap, but hybrid cultivars have also been created.[2] The best known cultivars are 'Fosteri', Foster holly, which does not require males to set fruit, and 'Savannah', with very showy red fruit.[3][4]
References
- ^ J. Elisha Mitchell Sci. Soc. 40: 44 (1924)
- ^ a b "Ilex × attenuata Ashe". Plants of the World Online. Board of Trustees of the Royal Botanic Gardens, Kew. 2017. Retrieved 5 December 2020.
- ^ "Ilex × attenuata 'Fosteri'". Plant Finder. Missouri Botanical Garden. Retrieved 5 December 2020.
- ^ "Ilex × attenuata 'Savannah'". Plant Finder. Missouri Botanical Garden. Retrieved 5 December 2020.
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