There are obvious differences and characteristics between them. Pink plums are very big, and the small ones are gem plums, which are the top plums in this season.

Li (scientific name: Li. ) is a plant of Rosaceae and Prunus. Deciduous trees, 9-12m high; The crown is wide and round, and the bark is grayish brown and uneven; Old branches are purplish brown or reddish brown, hairless; Branchlets yellow-red, glabrous; Leaf blade oblong-obovate, oblong-ovoid, sparsely oblong-ovoid, 6-8(- 12) cm long and 3-5 cm wide, with a tapered, acute or short tail tip at the top, a wedge-shaped base, and rounded and double serrations at the edge, which are often mixed with single serrations; Stipules membranous and linear; Petiole length 1-2 cm, usually glabrous; Flowers are usually 3 in a row; Pedicel 1-2 cm, usually glabrous; Flower diameter 1.5-2.2 cm; Calyx tube campanulate; Drupe is spherical, ovoid or nearly conical, with a diameter of 3.5-5 cm, and the cultivated variety can reach 7 cm; The nucleus is oval or rectangular with wrinkles. It blooms in April and bears fruit in July-August.