Cashew belongs to the fruit, it is the fruit of the cashew tree of the genus Cashew in the family Lacertaceae, cashews are divided into two parts, the upper part is a kidney-shaped nut, light brown, the length of 2.5cm or so, after peeling off the thick shell of it, that is, the cashew nuts that we usually see. And the lower part is the receptacle growth, this part is also edible, it can reach a length of about 8cm.

Cashew nuts, Anacardium occidentalie Linn, is a plant of the dicotyledonous plant order, Sapindaceae, laciniaceae, and the genus Cashew. It is also known as the Catalpa Rudbeckia, Chicken Cashew Nut, and Kai Shou Nut. [1] It is an evergreen tree with an erect trunk up to 10 meters high. Cashew is a kidney-shaped nut, genus Cashew in the family Lacertidae of the order Sapindaceae.

Native to the Americas.

Cashew nuts have rich nutritional value, can be fried, can also be used for medicinal purposes, for the world famous one of the four major dried fruits. Its edible part is born in the top of the kidney-shaped part of the pseudo-fruit, about 25 millimeters long, from greenish gray to yellowish brown (if the selection of the white color found, may be bleached, do not buy), the shell is hard, wrapped in the seed kernel, sweet as honey, contains a high calorie content, and its source of calories is mainly fat, followed by carbohydrates and proteins.