A North American milkweed (Asclepias tuberosa) having showy clusters of usually bright orange flowers and a root that was formerly used in medicine. Also called orange milkweed, pleurisy root.
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List of Minnesota wild flowers — The List of Minnesota wild flowers lists all of the wild flowers native to Minnesota. Common names follow Minnesota DNR conventions. Where several species of plants share part of a common name, they have been grouped together under that name;… … Wikipedia