Horse ear onion refers to ordinary onion cut into horse ear shape. Horse's ear is a kind of knife method in cooking, that is, cutting a round strip of material into two pointed shapes, which is named after horse's ear. Horse's ear onion is also obliquely cut onion.

Stem: the stem is extremely short and spherical or oblate, solitary or clustered, thick 1~2cm, with white skin, membranous and unbroken. Multilayer tubular leaf sheaths are attached to the upper part, and fibrous roots are densely distributed to the lower part. When the seedling tip growth point differentiates into flower buds, it will gradually develop a flower stem. Welsh onion stems are stout, hollow and unbranched, 30~50cm long.

Leaf: The leaf is composed of a leaf body and a leaf sheath. The leaf body is long and conical, hollow, green or dark green. A single leaf sheath is cylindrical. Multi-layer nested leaf sheaths and 4-6 unsheathed young leaves wrapped inside them form a stick-like pseudostem.

Extended data:

1, common green onion: many varieties, good quality and large cultivation area. According to the length of scallion, there are long scallion and short scallion. Onion white has a strong spicy taste, and the famous varieties are Liaoning Gaiping Onion, Beijing Gaojiaobai, Shaanxi Huaxian Valley Onion, etc. Short onion, white onion and white onion are short, thick and thick. The famous varieties are chicken leg onion in Zhangqiu, Shandong Province, and leaf onion in Hebei Province.

2, onion: the leaves are thick, the onion is pure white, the spicy taste is light, and the quality is good.

3, onion: white and sweet, short onion leaves, poor quality.

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