Which among the following statements is incorrect about stamens?

• A. In epiphyllous flowers, stamens are attached to perianth
• B. Stamens attached to carpels are gynandrous
• C. In monoadelphous, all filaments of stamens are bunched and all the stamens are united
• D. In polystemonous, stamens are free i.e. they are neither attached to any part of the flower nor to each other