Polyphylous or Polyphyllous: How To spell?
The word Polyphylous is misspelled against Polyphyllous, an adjective meaning "Many-leaved; as, a polyphyllous calyx or perianth."
Polyphyllous has double "ll" is mispronounced as "l"Remember double 'LL' in between the strings polyphy & ous which should not be misspelled with single 'L'
Wrong Spelling:  polyphy-l-ous  Correct Spelling:  polyphy-ll-ous 
Check more misspelled words of Polyphyllous to spell it correct.