Jujube (original variety) deciduous small trees, sparse shrubs, up to 10 m; Bark brown or grayish brown; There are long branches, short branches and bud-free branchlets (i.e. new branches) smoother than the long branches, which are purple or taupe, zigzag with two stipules, with long spines up to 3 cm, thick and straight, and short spines bent downward and 4-6 mm long; Short branches are short and thick, rectangular, and emanate from old branches; Annual branchlets are green, pendulous, solitary or 2-7 clusters on short branches. Leaves papery, ovoid, ovoid-elliptic, or ovoid-oblong; It is 3-7cm long and1.5-4cm wide, with blunt or round top, sparse and sharp, small tip, slightly asymmetrical base, nearly round, crenate edge, dark green top, hairless bottom, light green, hairless or sparse only along veins, and three veins at the base; Petiole length 1-6 mm, or long branches up to 1 cm, hairless or sparse; Stipules are slender and often fall off in the later stage. Flowers yellow-green, bisexual, 5-cardinal, glabrous, with short pedicels, solitary or 2-8 dense axillary cymes; Pedicel 2-3 mm long; Sepals ovate-triangular; Petals obovate, with claws at the base, equal to stamens; Disk thick, fleshy, round, 5-lobed; The lower part of the ovary is hidden in the disk, which is connate with the disk, with 2 cells, each cell 1 ovule, and the style is 2-lobed. Drupe is oblong or rectangular, with a length of 2-3.5 cm and a diameter of 1.5-2 cm. It is red at maturity and then reddish purple. The mesocarp is fleshy, thick, sweet, sharp at the top of the pit, sharp or obtuse at the base, 2-loculed, with 1 or 2 seeds, and the fruit stalk is 2-5 mm long. The seed is oblate, about 65438 0 cm long and about 8 mm wide. The flowering period is from May to July, and the fruiting period is from August to September.

Zizyphus jujube: deciduous shrub or small tree, 1-4 meters high; Branchlets are zigzag and purple-brown. There are two kinds of stipules on jujube trees, one is straight, up to 3 cm long, and the other is often curved. Leaves alternate, oval to ovate-lanceolate, 1.5-3.5cm long and 0.6- 1.2cm wide, with serrated edges and 3 veins at the base. Flowers are yellow-green, and there are 2-3 clustered flowers in the axils of leaves. Drupe is small, nearly spherical or short rectangular, reddish brown when mature, nearly spherical or rectangular, 0.7- 1.2 cm long, sour in taste, and dull at both ends of the stone. The flowering period is from June to July, and the fruiting period is from August to September.