- Aesculus, genus Aesculus - deciduous trees or some shrubs of North America; southeastern Europe; eastern Asia
--1 is a kind of dicot genus, magnoliopsid genus
--1 is a member of Hippocastanaceae, family Hippocastanaceae, horse-chestnut family
--1 has members: horse chestnut, buckeye, Aesculus hippocastanum