knotroot

English

Etymology

From knot +‎ root.

Noun

knotroot (uncountable)

  1. Collinsonia canadensis, a perennial medicinal herb in the mint family, Lamiaceae.
    Synonyms: horsebalm, stoneroot
  2. Stachys affinis, a perennial herbaceous plant, also in the mint family.
    Synonym: crosne