Which of these has the most species: Echinops or Areca?
Echinops: Echinops is a genus of about 120 species of flowering plants in the family Asteraceae, commonly known as globe thistles. Areca: Areca (.) Areca:  is a genus of about 50 species of palms in the family Arecaceae, found in humid tropical forests from China and India, across Southeast Asia to Melanesia.
Echinops