what is the scientific name of onion?

what is the scientific name of onion?A. Rana tigrina
B. Allium cepa
C. Aspergillus
D. None of these

Allium cepa is the scientific name of onion. The onion, also known as the bulb onion or common onion, is a vegetable that is the most widely cultivated species of the genus Allium. Its close relatives include the garlic, scallion, shallot, leek, chive, and Chinese onion.