Family Hippocastanaceae, composed of the buckeyes and the horse chestnuts (genus Aesculus), native to the northern temperate zone. The best-known species of horse chestnut is the common, or European, horse chestnut (A. hippocastanum), native to southeastern Europe but widely cultivated as a large shade and street tree. The Champs-Élysées in Paris is lined with rows of horse-chestnut trees
{i} tree that bears leaves that resemble fingers and clusters of white flowers and brown smooth bitter nutlike seed that cannot be eaten; bitter nutlike seed of the horse chestnut
A horse chestnut is a large tree which has leaves with several pointed parts and shiny reddish-brown nuts called conkers that grow in cases with points on them
The tree itself, which was brought from Constantinople in the beginning of the sixteenth century, and is now common in the temperate zones of both hemispheres