? Potatoes and sweet potatoes are both root and stem plants, and they seem to be in the same family, but they actually have different varieties. Potato is a member of the Solanaceae family and a close relative of tomato and eggplant, while sweet potato is a member of the Cyclophyllaceae family and a close relative of petunia. What other differences do they have? Let's take a look!

I. Essential differences

? Potato (scientific name: Solanum tuberosum?L.), belongs to the Solanaceae, annual herbaceous plants, tubers are edible, is the world's fourth most important food crops, second only to wheat, rice and corn. Potato is also known as yams, yams, yams, taro, yams, yams, yams, yams, yams, yams, eggs, potatoes, etc. (Shanxi Datong area also known as yams). In some southern provinces, also called "winter potato", because often after harvesting the fall rice, planted in winter.

? Sweet potato (scientific name: Ipomoea batatas? (L.) Lam.) also known as sweet potato, sweet potato, Zhu yam, golden potato, Fan Ru, red yam, yam, yam, sweet potato, sweet potato, sweet potato, sweet potato, sweet potato, sweet potato, sweet potato, sweet potato, sweet potato, sweet potato, sweet potato, sweet potato, white potato, goose, budding sweet potato. Annual herb, underground part with rounded, elliptic or fusiform tuberous roots, stems procumbent or ascending, occasionally twining, much branched, leaf blade shape and color often varying according to varieties, usually broadly ovate, petiole of varying lengths, cymes axillary, capsule ovate or compressed-orbicular, 1-4 seeds, usually 2 seeds, glabrous.?

Two, the external difference

1, color

? The color of the outer skin of the potato is white or yellow, and the flesh inside is light in color; the outer skin of the sweet potato is mostly purple-red in color, and the inner skin is yellow-red or yellow in color.

2, shape differences

? Potato is oblate, the surface is glabrous, sometimes sparsely distributed, with a small amount of pilose; sweet potato has a variety of shapes, there are cylindrical, lumpy, fusiform, round and other shapes.

3, different flavors

? Potatoes have a lighter flavor when cooked, with some alkaline flavor, but sweet potatoes have a sugar content of 15-20 percent. They are sweet and very tasty when they are cooked.

4. Different nutrition

? Potatoes and sweet potatoes are similar to sweet potatoes in terms of starch, pectin, fiber, protein, vitamins and other components, but sweet potatoes have far more carotene than potatoes do. This is a component that can be converted to vitamin A and maintains normal visual function, which is protective of the eyes.