Among flowers of Arhar, Sem, Sesbania, Trifolium, Belladonna, Petunia, Indigofera, Asparagus and Gloriosa, how many plants have superior ovary in their flowers?
Arhar, Sem, Sesbania, Trifolium, Indigofera- Belong to fabaceae family and have hypogynous ovary.
Belladonna, Petunia- Belong to Solanaceae family and have hypogynous ovary.
Asparagus and Gloriosa- Belong to liliaceae family and have hypogynous ovary.
Therefore, all the nine plants have hypogynous ovary.