Onion is an angiosperm, belonging to angiosperms, monocots, Liliaceae and Allium. Its seeds are covered with pericarp and can form fruit, so it belongs to angiosperms.

Onion is a perennial herb with solitary bulbs and hollow leaves. It blooms and bears fruit from April to July every year, and its color is white.

Classification of onion

In our daily life, common onions can be divided into 1 1 species, such as common onion, onion, onion, old onion, croton, chopped croton, split onion, chopped onion and improved onion. They are different in taste and form.

1, scallion: a variety of scallion. Its plants are very short and are usually planted in greenhouses. Onions are white and fresh.

2. Onion: also known as red onion, it is a characteristic of Lingnan. It has rich leaves, strong tillering ability, light and spicy taste and can be eaten directly.

3. Onion: This variety of onion has a small ratio of stem to leaf, a spherical root system, a strong tiller and a weak spicy taste compared with other varieties.