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• n  tall herb of eastern North America and Asia having blue berrylike fruit and a thick knotty rootstock formerly used medicinally

• squawroot, mouse-ear hawkweed, rattlesnake weed, coltsfoot, tickseed sunflower, Jerusalem artichoke, sneezeweed, swollen bladderwort, clammy ground cherry,.

• blue cohosh
• blueberry root
• papooseroot
• papoose root
• squaw root
• Caulophyllum thalictrioides
• Caulophyllum thalictroides