Allium (Onion) is a genus of herb in the family Amaryllidaceae. They are native to Western North America, Alaska, Canada, and The Contiguous United States. Flowers are visited by NO NAME!, European honey bee, Red Admiral, and Dotted Blue complex. Individuals can grow to 0.66 m.

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EOL has data for 17 attributes, including:

Known occurrences, collected specimens and observations of onion. View this species on GBIF