Hippocastanaceae
plural noun
Hip·po·cas·ta·na·ce·ae
ˌhipəˌkastəˈnāsēˌē
: a family of trees (order Sapindales) having opposite palmately lobed leaves, showy flowers in large clusters, and nutlike seeds encased in a leathery capsule and including the buckeyes
Word History
Etymology
New Latin, from Hippocastanum, type genus in former classifications (from hipp- + Greek kastanon chestnut) + -aceae