Prunus mume, a deciduous shrub or small tree of Prunus in Rosaceae. Eucommia ulmoides Oliv. is a common ornamental tree species, with bright colors, which people love. However, the fruit is scarce and the meat is thin and tasteless. As the saying goes, "the flowers are too delicate and the red seeds are thin". Eucommia ulmoides has a nearly spherical drupe, slightly grooved abdomen, thin meat and large core, and is red when cooked. The stone is spherical, with a thick shell and wrinkled surface.