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heliophyte

American  
[hee-lee-uh-fahyt] / ˈhi li əˌfaɪt /

noun

Botany.
  1. a plant that grows best in full sunlight.


heliophyte British  
/ ˈhiːlɪəʊˌfaɪt /

noun

  1. any plant that grows best in direct sunlight

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of heliophyte

helio- + -phyte