Ziziphus rugosa is a species of tree in the family Rhamnaceae. Ziziphus rugosa is also known as Zunna berry or Chunna fruit. It is also known as Churna fruit. It is a wild fruit.
The tree is native to hills and mountains below 1400m (4,600feet) 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.
Its bark and wood are used medicinally for dysentery in Laos.
The population of Western Ghats in India collect the fruits (berries) for self consumption and sale. The berries are popularly known as 'Toran'तोरण in Marathi language.