colicroot.

A bitter American herb of the bloodwort family (Haemodoraceae), with small yellow or white flowers in a long spike.

Any of several other plants with bitter roots. Aletris spp. (crow corn)

Any of several other plants with bitter roots. Apocynum androsaemifolium (flytrap dogbane)

Any of several other plants with bitter roots. Asarum canadense (wild ginger)

Any of several other plants with bitter roots. Asclepias tuberosa (butterfly milkweed)

Any of several other plants with bitter roots. Dioscorea villosa (Chinaroot, wild yam)

Any of several other plants with bitter roots. Liatris squarrosa (scaly blazingstar)