Japanese onion (Allium thunbergii)
A species of wild onion native to East Asia, with edible bulbs and leaves. Used in botanical and culinary contexts.
The Japanese onion blooms with purple flowers in autumn.
The bulbs of the Japanese onion are edible.
Compound of 山 (yama, 'mountain') and 辣韮 (rakkyō, 'Chinese onion'), referring to a wild onion species found in mountainous areas. The exact historical derivation is uncertain, but the name likely arose from its resemblance to cultivated rakkyō.