2. Cherry (scientific name: Sakura. ) is a general term for several plants of Rosaceae and Sakura. There are only four kinds of cherries cultivated in the world, namely, cherry (Lindl. ) g.don), European sweet cherry (Cerasus avium (L.) Moench. ), European sour cherry (Cerasus vulgaris Mill. ) and Prunus tomentosa (Thunb. ) wall. ).

3. Among them, cherry, European sweet cherry and European sour cherry play an important role in production. Trees or shrubs, 2-25m high, with grayish white or dark brown bark. Branchlets grayish brown or grayish brown, shoots green, glabrous or puberulent. Winter buds are ovoid, oval and hairless. Leaf blade ovate, elliptic or oblong-ovate, apex acute or shortly acuminate, base rounded or cuneate. Inflorescence umbrella-shaped, 3-4 flowers, leaves and leaves open together; Pedicel 0.8-3.4 cm long, sparse or glabrous; Sepals triangular-ovoid or ovoid-oblong, with obtuse or acute apex; Petals white or pink, obovate. Drupe is nearly spherical or ovoid, red to purple-black, with a diameter of 0.9-2.5 cm. The flowering period is from March to May, and the fruiting period is from May to September.