Verticilaster or Verticillaster: How To spell?

The word Verticilaster is misspelled against Verticillaster, an adjective meaning "A whorl of flowers apparently of one cluster, but composed of two opposite axillary cymes, as in mint. See Illust. of Whorl."

Verticillaster has double "ll" is mispronounced as "l"
Remember double 'LL' in between the strings vertici & aster which should not be misspelled with single 'L'
Wrong Spelling:  vertici-l-aster 
Correct Spelling:  vertici-ll-aster 
Find more wrongly spelled words of Verticillaster to spell it well.