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

🚧 In the future, we will add here identi­fi­ca­tion paths for specific species of willow, probably starting with:

bottlebrush buckeye  Aesculus parviflora

Please let us know which other species you would like to see here, using the button at the bottom of this page.

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).

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 Flora of North America NRCS PLANTS db Wikipedia

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🏠︎ 🌳︎ broadleaves, ╫ opposite, 🌿︎ compound

◼︎ 🌰︎ yellow buckeye  Aesculus flava 🌰︎ Ohio buckeye  Aesculus glabra 🐎︎ 🌰︎ horse chestnut  Aesculus hippocastanum