1. Pepper, belonging to the genus Capsicum in Solanaceae, is panicum miliaceum, which mostly has white flowers, and the fruit is usually conical or oblong, green when it is immature, and turns bright red, yellow or purple when it is mature, with red being the most common.

2. According to the maturity, there are green peppers and red peppers. Fresh green peppers can be eaten as main dishes, and red peppers can be processed into dried peppers and Chili sauce.