Green jujube, also known as Chinese date or Ziziphus jujuba, is a fruit-bearing tree native to China.

1. Appearance: Green jujube fruits are small, round, and green when unripe, turning yellowish-green to red when fully ripe. They have a smooth, shiny skin and contain a single hard seed or stone in the center.

2. Taste and Texture: Green jujubes have a sweet and slightly tangy flavor when fully ripe. The texture can vary from crisp and crunchy when unripe to chewy and date-like when fully ripe.

3. Nutritional Value: Green jujubes are rich in vitamins, minerals, and antioxidants. They are particularly high in vitamin C and contain significant amounts of potassium, fiber, and various phytonutrients.

4. Culinary Uses: Green jujubes can be eaten fresh or dried. In some cultures, they are used in cooking and baking, added to soups, stews, or desserts, or made into jams, jellies, or candies.

5. Health Benefits: Like other fruits, green jujubes offer numerous health benefits. They may support digestion, boost the immune system, and provide antioxidant protection against oxidative stress. Some traditional medicine systems also use jujubes for their purported calming and sleep-promoting effects.

6. Cultivation: Green jujube trees are hardy and adaptable, thriving in various climates from temperate to subtropical regions. They are commonly cultivated in China, Korea, and other parts of Asia, as well as in regions of the United States.