Ziziphus rugosa is a species of tree in the family Rhamnaceae.

Ziziphus rugosa is also known as Zunna berry or Chunna fruit.

[citation needed] The tree is native to hills and mountains below 1,400 metres (4,600 ft) altitude, in China (Hainan, Yunnan), India, Laos, Burma, Sri Lanka, Thailand, and Vietnam.

[1] The berry-sized fruit is also has local Indian names like Chunna and Churna.

[citation needed] The population of Western Ghats in India collect the fruits (berries) for self consumption and sale.