Papilionacoeus or Papilionaceous: How To spell?

The word Papilionacoeus is misspelled against Papilionaceous, an adjective meaning "Belonging to that suborder of leguminous plants (Papilionaceae) which includes the bean, pea, vetch, clover, and locust."

Word contains consecutive vowels 'EO' in between alphabets papilionac & us is misspelled as 'OE'
Wrong Spelling:  papilionac-oe-us 
Correct Spelling:  papilionac-eo-us 
Check more misspelled words of Papilionaceous to spell it correct.