Concept: The given floral formula represents the Solanaceae family (actinomorphic, bisexual, pentamerous flowers with superior bicarpellary ovary).Explanation:
The formula ⊕ ⚥ K(5) C(5) A5 G(2) indicates radial symmetry, bisexual flowers, 5 fused sepals, 5 fused petals, 5 free stamens, and a bicarpellary superior ovary.
This matches the floral characters of the Solanaceae family.
Among the options, only Petunia belongs to Solanaceae; Sesbania (Fabaceae), Brassica (Brassicaceae), and Allium (Liliaceae) have different floral formulas.
Answer: B. Petunia(The image shows the standard Solanaceae formula ⊕ ⚥ K(5) C(5) A5 G(2).)
