Phylodium or Phyllodium: How To spell?
The word Phylodium is misspelled against Phyllodium, a noun meaning "A petiole dilated into the form of a blade, and usually with vertical edges, as in the Australian acacias."
Phyllodium has double "ll" is mispronounced as "l"Remember double 'LL' in between the strings phy & odium which should not be misspelled with single 'L'
Wrong Spelling:  phy-l-odium  Correct Spelling:  phy-ll-odium 
Check more misspelled words of Phyllodium to spell it correct.