Assertion: common comfrey | /r/HasProperty | gum plant
Facets:
Source sentences:
text: Comfrey (Symphytum officinale ), or common comfrey, has been known by many names, including boneset , knitbone, bruisewort, black wort, salsify, ass ear, wall wort, slippery root, gum plant, healing herb, consound, or knit back.