brugmansia vs jimsonweed

brugmansia

noun
  • A flowering plant of the genus Brugmansia, native to subtropical regions of South America. 

jimsonweed

noun
  • A poisonous plant of the Datura stramonium species, part of the nightshade (Solanaceae) family. A hallucinogen occasionally ingested by those looking for a cheap high. 

  • Any poisonous plant of the genus Datura. 

How often have the words brugmansia and jimsonweed occurred in a corpus of books? (source: Google Ngram Viewer )