Sesbania
An actinomorphic flower, characterized by radial symmetry, can be bisected into identical halves along numerous planes, similar to a circle or star where any central plane yields equal portions.
Let's examine the symmetry of the flowers listed:
Consequently, Datura is the sole actinomorphic flower among the provided choices.
| List I (Types of Stamens) | List II (Example) | ||
| A | Monoadelphous | I | Citrus |
| B | Diadelphous | II | Pea |
| C | Polyadelphous | III | Lily |
| D | Epiphyllous | IV | China-rose |

