Which among the following is incorrect about stamens?

• A. A stamen mainly contains of anther, filament and connective tissue
• B. An anther is a bilobed structure present at the tip of filament with each lobe bearing 2 pollen sacs
• C. Epipetalous flowers are those flowers in which stamens are attached to petals
• D. Sunflower is an example of epiphyllous