What does "blueberry root" mean?

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

Blueberry root

Common synonyms include: blue cohosh, caulophyllum thalictrioides, caulophyllum thalictroides, papoose root, papooseroot, squaw root.

Rare ·Advanced level

Noun

1
tall herb of eastern North America and Asia having blue berrylike fruit and a thick knotty rootstock formerly used medicinally wordnet