Redmi (1) is a weedy rice of Oryza, which is close to wild rice. It belongs to indica type and is associated with japonica rice. Because of its reddish brown seed coat, no awn or short awn, and yellow or brown chaff color, it is called Redmi.

2. Purple rice is a kind of rice and belongs to glutinous rice. Only Hunan, Sichuan, Guizhou, Yunnan, Shaanxi, Enshi, Hubei and so on. Have a little self-cultivation. It is a relatively precious rice variety, divided into purple japonica rice and purple glutinous rice.

3. Black rice is a kind of rice used for both medicine and food, belonging to glutinous rice. Black rice is a characteristic variety formed by long-term cultivation of Gramineae rice. There are two kinds of grain types: indica rice and japonica rice, and the grain quality is divided into waxy and non-waxy. Brown rice is black or dark brown. Black rice is dark in color and rich in nutrition, and has the reputation of "black pearl" and "king of rice in the world". It is produced in many places in China, such as Shaanxi black rice, Guizhou black glutinous rice and Hunan black rice.

Extended data:

Every autumn, once the black rice is ripe, the family cooks porridge and tastes it early. The rice soup is black as ink, with a faint medicinal taste in the mouth, which is particularly refreshing. Over time, people have rich experience in eating black rice. When cooking porridge, put gastrodia elata, tremella, lily, rock sugar, etc., which is better than nectar, as a good meal for entertaining guests. Patients with dizziness, dizziness and anemia often eat it, and their symptoms are obviously alleviated. It is especially suitable for the elderly with backache, weak knees and weak limbs, so black rice is also called "medicated rice".

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