The floral formula is that of:

The floral formula represents:$\oplus$: Actinomorphic (radial symmetry)${\text{K}}_{(5)}$: Calyx with 5 fused sepals${\text{C}}_{(5)}$: Corolla with 5 fused petals${\text{A}}_5$: Androecium with 5 epipetalous stamens${\text{G}}_{(2)}$: Superior ovary, bicarpellary syncarpousThese are characteristic features of the family Solanaceae. Among the options, Tobacco (Nicotiana tabacum) belongs to Solanaceae. Soybean and Sunnhemp belong to Fabaceae, and Tulip belongs to Liliaceae.