English edit

 
Graptophyllum pictum
 
Macodes petola leaves

Etymology edit

letter +‎ leaf, from the fancied letter-like markings on leaves.

Noun edit

letterleaf (plural not attested)

  1. Certain orchids
    1. of species of the genus Grammatophyllum.
      Synonym: letter plant
    2. of the species Graptophyllum excelsum
    3. of the species Macodes petola

References edit