Morphological characteristics of common jujube

Common jujube originated in China, deciduous trees, up to about 10 meters high, the fruit is a drupe, the shape varies according to the variety, there are oval, oval, short cylinder-shaped, round, gourd-shaped, thick meat, sweet taste. There are three varieties of this species: ⑴ thornless jujube, the growth potential is weak, the thorns on the growing branches are completely degraded; ⑵ Longthorn jujube, weak growth, twisted branches, such as dragon climbing willow, so it is also known as Longzao, Longgua jujube. ⑶ gourd jujube: there are overflow marks in the middle or upper middle of the fruit, showing gourd shape or grinding shape, but not much cultivation in growth.