almond tree vs tropical almond

almond tree

noun

  • The Indian almond, Terminalia catappa. 

  • The tree that bears the almond, Prunus amygdalus. 

tropical almond

noun

  • The Indian almond, Terminalia catappa. 

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