Chinese and Thai biologists say they have discovered a new stone oak species in Thailand. Lithocarpus orbicarpus, a branch with leaves. Image credit: S. Sirimongkol / J. S. Strijk. More than 300 species of stone oak are known from eastern India to Japan and the eastern tip of Papua New Guinea. The new species, named Lithocarpus orbicarpus, is a medium to small tree with simple leaves. It can be easily distinguished by its spherical acorns covered...
