Lithocarpus is a genus in the beech family, Fagaceae. Trees in this genus are commonly known as the stone oaks and differ from Quercus primarily because they produce insect-pollinated flowers on erect spikes and the female flowers have short styles with punctate stigmas. The World Checklist (see link below) accepts 334 species, all restricted to Southeast Asia. These trees do not tolerate freezing temperatures, because all species are evergreen and none are found in temperate zones, despite the ...