sensitive plant vs touch-me-not

sensitive plant

noun
  • A plant that moves in response to touch and other physical stimuli; especially Mimosa pudica, an annual plant native to Central and South America. 

touch-me-not

noun
  • The sensitive plant (Mimosa pudica). 

  • The squirting cucumber (Ecballium elaterium). 

  • The jewelweed, Impatiens noli-tangere, Impatiens capensis, Impatiens parviflora. 

How often have the words sensitive plant and touch-me-not occurred in a corpus of books? (source: Google Ngram Viewer )