In our daily diet, we often enjoy all kinds of vegetables, but have you ever wondered which part of these vegetables we eat is the real stalk? Common lotus root, potato, water chestnut, onion and sweet potato, are their edible parts stems? Let's find out.

lotus root

Lotus root is the underground stem of lotus root, which is a crisp and delicious vegetable. It is the rhizome of lotus, with swollen internodes and rich in starch and dietary fiber. So the edible part of lotus root is really its stem.

potato

Potatoes, also known as potatoes, are the tubers of solanaceae plants. Tuber is a part of plant stem, which has the property of storing nutrients. The tuber of potato is usually oval or round, with white or yellow inside, which is rich in starch, protein and vitamins. So the edible part of potatoes also belongs to the stem.

water chestnut

Eleocharis tuberosa, a small round vegetable, is an aquatic tuber of salt plants. Similar to potato, the tuber of water chestnut has the property of storing nutrients. The tuber of Eleocharis tuberosa is brown in outer skin and white in inner, which is crisp and refreshing and rich in starch, protein and vitamins. So the edible part of water chestnut is also its stem.

onion

Onion, a spicy vegetable, is a bulb of Liliaceae. Bulbs are abnormal forms of underground stems of plants, which are composed of thick and juicy leaves and have the characteristics of storing nutrients. The bulb of onion is spherical or flat, wrapped by multiple scales, and the inside is white or light yellow. So the edible part of onion is also its stem.

sweet potato

Sweet potato, also known as sweet potato, is the root of convolvulaceae. Tuberous root is the expansion and metamorphosis of plant roots, which has the characteristics of storing nutrients. The tuberous root of sweet potato is usually spindle-shaped or cylindrical, with orange or yellow inside, which is rich in starch, sugar and vitamins. So the edible part of sweet potato is also its stem.

Edible parts of common vegetables such as lotus root, potato, water chestnut, onion and sweet potato belong to stems. These stems and organs have the characteristics of storing nutrients, which provide plants with nutrient reserves and rich nutrient sources for us. In our daily diet, the stems and organs of these vegetables enrich our dining table with their unique flavor and nutritional value, and contribute to our health.