snakeweed

Etymology

 * in some cases (e.g. bistort) because of the twisted roots.

Noun

 * 1) Any of various not closely related plants reputed to cure snakebite.
 * 2) Any of genus  of poisonous American plants; matchweed.
 * 3)  (common bistort).

Synonyms

 * matchweed

Translations

 * Greek:
 * Ancient: λειμώνιον