Ohio: Buckeyes The genus Aesculus (/ˈɛskjʊləs/ or /ˈaɪskjʊləs/), with varieties called buckeye and horse chestnut, comprises 13–19 species of flowering plants in the soapberry and lychee family, Sapindaceae. They are trees and shrubs native to the temperate Northern Hemisphere, with six species native to North America and seven to thirteenRead More …