Which one is odd? Poaceae, Asteraceae, Capitulum head

Which one is odd? Poaceae, Asteraceae, Capitulum head

کون سا عجیب ہے؟
Explanation
  • Poaceae and Asteraceae are plant families.
  • While Capitulum head is an inflorescence type.
  • Since the first two are taxonomic groups and the third is a floral structure.
  • Capitulum head is the odd one out.