The Collaborative International Dictionary
papooseroot \papooseroot\, papoose root \papoose root\n. (Bot.) A tall herb ( Caulophyllum thalictroides) of eastern North America and Asia having blue berrylike fruit and a thick knotty rootstock formerly used medicinally; the Cohosh. See also Cohosh.
Syn: blue cohosh, blueberry root, papoose root, squawroot, squaw root, Caulophyllum thalictrioides, Caulophyllum thalictroides.
Cohosh \Co"hosh\, n. (Bot.) A perennial American herb ( Caulophyllum thalictroides), whose rootstock is used in medicine; -- also called pappoose root. The name is sometimes also given to the Cimicifuga racemosa, and to two species of Act[ae]a, plants of the Crowfoot family.
Wikipedia
Caulophyllum thalictroides, blue cohosh a species of Caulophyllum (family Berberidaceae), also called squaw root or papoose root, is a flowering plant in the Berberidaceae ( barberry) family. It is a medium-tall perennial with blue berry-like fruits and bluish-green foliage.