Explanation

A-Caryophyllaceous (5 petals each with long claw and limb placed at right angle to claw, e.g., Dianthus). B-Papilionaceous (5 petals arranged asymmetrically, the largest posterior one vexillum, two lateral wings or alae and two anterior keels, e.g., pea) C-Personate (corolla also biliped but corolla mouth is closed due to closed placed e.g., Antirhinnum). D-Tubular (e.g., sunflower). E-Bell-shaped (e.g., Physalis).