stoneroot

WORDNET DICTIONARY

stoneroot(n = noun.plant) collinsonia canadensis, horse balm, horseweed, richweed, stone root, stone-root - erect perennial strong-scented with serrate pointed leaves and a loose panicle of yellowish flowers; the eastern United States;

is a kind of herb, herbaceous plant

is a member of collinsonia, genus collinsonia

stoneroot, n.

A North American plant (Collinsonia Canadensis) having a very hard root; horse balm. See Horse balm, under Horse. [1913 Webster]