Jefersonia or Jeffersonia: How To spell?
The word Jefersonia is misspelled against Jeffersonia, a noun meaning "An American herb with a pretty, white, solitary blossom, and deeply two-cleft leaves (Jeffersonia diphylla); twinleaf."
Jeffersonia has double "ff" is mispronounced as "f"Remember double 'FF' in between the strings Je & ersonia which should not be misspelled with single 'F'
Wrong Spelling:  Je-f-ersonia  Correct Spelling:  Je-ff-ersonia 
Find more incorrect spellings of Jeffersonia to spell right way.