2. Onion (scientific name: Allium. Fisturosumml.var.gigantummakino) is the next variety of onion, which is different from onion (shallot) and red onion (onion). The aerial parts of onion plants in China are very similar in shape to onions. The leaves are cylindrical and hollow, and the stems of leaf sheaths contain pseudostems. If it is softened by cultivating soil, it will cause a rod-shaped "scallion". Scallion is the main edible part.
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