- a climbing composite plant, Mikania guaco, of tropical America.
- its leaves, or a substance obtained from them, sometimes used locally as an antidote for snakebites.
- any of several tropical American plants whose leaves are used as an antidote to snakebite, esp the climbers Mikania guaco, family Asteraceae (composites), or Aristolochia maxima (A. serpentina), family Aristolochiaceae
- the leaves of any of these plants
