challenge: Which of the following statements is true about Iris confusa compared to Iris japonica and Iris wattii?
  
  A. Iris confusa has more attractive foliage than Iris japonica.
  B. Iris confusa has smaller flowers than Iris japonica.
  C. Iris confusa is smaller in all parts compared to Iris wattii.
  D. Iris confusa has larger flowers than Iris wattii.
  Answer: 