In this article we will discuss about:- 1. Characters of Papilionaceae 2. Floral Formula of Papilionaceae 3. Common Plants 4. Economic Importance. Characters of Papilionaceae: Leaves—usually imparipinnate. Flowers—solitary or in racemes, very irregular (papilionaeous), posterior petal biggest and outermost. Petals—5, vexillary in aestivation. Stamens—10, usually diadelphous (9) + 1, sometimes monadelphous (e.g., Arachis, Crotalaria, etc.) […]