polygamous vs trimonoecious

polygamous

adj
  • Exhibiting polygamy. 

  • Of, relating to, or practicing polygamy. 

trimonoecious

adj
  • That has male, female and bisexual (perfect) flowers on the same individual plant. 

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