Learn about the comparison among Papilionaceae, Caesalpiniaceae and Mimosaceae. Comparison # Papilionaceae: 1. Habit-Mostly herbs, rarely shrubs and a few trees. 2. Leaves-Imparipinnate. 3. Inflorescence-Racemose. 4. Flower-Zygomorphic. 5. Calyx-Sepals 5, gamosepalous, odd sepal anterior. 6. Corolla-Pelals 5, papilionaceous, with posterior largest, standard, 2 lateral wings and 2 anterior united keel. Aestivation descending imbricate or vexillary. […]