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Swertia perennis (Felwort) is a species of perennial herb in the family Gentianaceae. They have a self-supporting growth form. They are native to Alaska, The Contiguous United States, Canada, and Western North America. They have simple, broad leaves. Individuals can grow to 0.24 m.

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EOL has data for 20 attributes, including:

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