Gentiana andrewsii (Closed Bottle Gentian) is a species of perennial herb in the family Gentianaceae. They are native to The Contiguous United States and Canada. They have purple flowers and capsule fruit. Flowers are visited by Chalcosyrphus nemorum, Trypoxylon tridentatum, Cerceris clypeata, and Distichona auriceps. Individuals can grow to 2 feet.
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