Q. Among bitter gourd, mustard, brinjal, pumpkin, China rose, lupin, cucumber, sunnhemp, gram, guava, bean, chilli, plum, Petunia, tomato, rose, Withania, potato, onion, aloe and tulip, how many plants have hypogynous flower?

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Solution:

Flowers
Hypogynous
Perigynous
Epigynous
Gynoecium
Gynoecium
Ovary enclosed
present above all other floral parts
present in the centre.
by thalamus and gets fused with it
Ovary is superior
Other part almost at same level. Ovary half inferior, e.g., Plum, rose
Other parts above ovary Ovary inferior, e.g., Guava, cucumber
Plum, rose are perigynous and guav cucumber are epigynous. So, total remainii plants are hypogynous.