Question: Which plant was been adopted into the traditional medicine of countries far-removed from its original home, Nicandra or Sternbergia?
Sentence (from "Nicandra"): It is thought originally to have been native to Peru (known elsewhere as an introduced species and sometimes as a weed) and is found nowadays as a ruderal species in tropical, subtropical and, to a lesser extent, temperate areas all over the world.
Relevant evidence: No