Allium fistulosum (Welsh Onion) is a species of perennial herb in the family Amaryllidaceae. It has a self-supporting growth form. It is native to Canada. Welsh Onion has simple, broad leaves. Flowers are visited by Empis tessellata Fabricius 1794. Welsh Onion is a photoautotroph. Individuals can grow to 0.44 m.
EOL has data for 25 attributes, including: