Morphology of Flowering PlantsMedium

Question

Identify the type of flowers based on the position of calyx, corolla and androecium with respect to the ovary from the given figures [a] and [b]

Options

A.[a] Perigynous; [b] Epigynous
B.[a] Perigynous; [b] Perigynous
C.[a] Epigynous; [b] Hypogynous
D.[a] Hypogynous; [b] Epigynous

Solution

Sol. [Key Concept: Perigynous flowers]

Both figures are intended to show perigyny: the gynoecium occupies the centre, and the other floral whorls arise from the rim of a surrounding cup shaped thalamus. The cup is not fused to the ovary. Hence, [a] perigynous and [b] perigynous: option (2).

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