A genus of 13-19 species of flowering shrubs and trees, with leaves with …

leaflets=5;  teeth=irregular and blunt;  end-buds have keel-line;  bruised twigs have a 👃︎ disagreeable smell
🌰︎ Ohio buckeye  Aesculus glabra

leaflets=5;  ▴▴▴▴ singly-toothed, regular and fine;  end-buds have no keel-line
◼︎ 🌰︎ yellow buckeye  Aesculus flava

leaflets=7 (usually);  ▲▴▲▴ doubly-toothed;  leaflets have no stalk;  ☃ winter buds are sticky;  flowers=white
🌰︎ horse chestnut  Aesculus hippocastanum

Learn more about 🌰︎ buckeye/​horse chestnut genus Aesculus (Aesculus spp.)

Despite a major common name, not associated with 🌰︎ chestnut / chinkapin  genus Castanea in beech / oak  family Fagaceae.

Instead, part of soapberry  family Sapindaceae in cashew / 🌰︎ chestnut / 🍊︎ citrus / 🍁︎ maple  order Sapindales.

Native to the temperate 🌐︎ Northern Hemisphere.   ▭ 🌎︎ Map of 6 species by county (🇺🇸 USA-48), (all species together) (colors).

Uses by native peoples
(Ethnobotany database)

Aesculus hosts caterpillars of 13 species
of butterflies and moths, in some areas.

🔍︎ 🔍︎ images Discover Life Encyclopedia of Life Michigan Flora Minnesota Wildflowers USDA PLANTS db Wikipedia