- whitethorn, English hawthorn, may, Crataegus laevigata, Crataegus oxycantha - thorny Eurasian shrub of small tree having dense clusters of white to scarlet flowers followed by deep red berries; established as an escape in eastern North America
--1 is a kind of hawthorn, haw
--1 is a member of Crataegus, genus Crataegus