Ziziphus mauritiana

Ziziphus mauritiana, also known as Indian jujube, Indian plum, Chinee apple, ber (Hindi: बेर) and dunks, is a tropical, spiny, evergreen shrub or small tree in the buckthorn family Rhamnaceae. It is often confused with the closely related Chinese jujube (Z. jujuba): Z. mauritiana is common is tropical and subtropical climates, while Z. jujuba prefers temperate climates. The plant grows vigorously up to 12 metres (39 ft) high, with a trunk 30 centimetres (12 in) or more in diameter. It has a spreading crown with stipular spines and drooping branches. The fruit is oval, obovate, oblong or round, and can be 2.5–6 centimetres (0.98–2.36 in) long depending on the variety, having smooth, light green skin when unripe, turning yellow and then reddish brown as it ripens....read more on Wikipedia.