Quadriphylous or Quadriphyllous: How To spell?
The word Quadriphylous is misspelled against Quadriphyllous, an adjective meaning "Having four leaves; quadrifoliate."
Quadriphyllous has double "ll" is mispronounced as "l"Remember double 'LL' in between the strings quadriphy & ous which should not be misspelled with single 'L'
Wrong Spelling:  quadriphy-l-ous  Correct Spelling:  quadriphy-ll-ous 
Check more misspelled words of Quadriphyllous to spell it correct.