Jujube seed, deciduous shrub or small tree, 1 to 3m tall, branches with straight and curved spines. Leaves alternate, oblong to round frame lanceolate, 2 ~ 3.5cm long, 6 ~ 12mm wide, blunt apex, serrate edge, base out of three veins. Flowers yellow-green, usually 2 ~ 3 clusters in leaf axils; Calyx sign, petal and stamen were all 5. Ovarian superior, 2-loculed, buried in disk, stigma 2-lobed.