Immortele or Immortelle: How To spell?
The word Immortele is misspelled against Immortelle, a noun meaning "A plant with a conspicuous, dry, unwithering involucre, as the species of Antennaria, Helichrysum, Gomphrena, etc. See Everlasting."
Immortelle has double "ll" is mispronounced as "l"Remember double 'LL' in between the strings immorte & e which should not be misspelled with single 'L'
Wrong Spelling:  immorte-l-e  Correct Spelling:  immorte-ll-e 
Find more incorrect spellings of Immortelle to spell right way.