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Allium (Onion) is a genus of herb in the family Amaryllidaceae. They are native to Canada, Alaska, The Contiguous United States, and Western North America. Flowers are visited by Odynerus melanocephalus, Lucilia, Sphaerophoria scripta, and Dialictus. 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