First slide

The Flower

Question

Choose the incorrect statement

Easy

A

Asymmetrical flowers are present in Canna.
B

Unisexual flowers may have 1 or 2 or 3 whorls
C

A complete flower has four whorls
D

In valvate aestivation the perianth lobes are overlapped as well as underlapped

Solution

In Valvate aestivation the perianth lobes are neither overlapped nor underlapped and they are present adjacent to each other which may be fused or free. Flower that has calyx, corolla, androecium and gynoecium is called Complete flower. A unisexual flower may be Dichlamydeous with two whorls of perianth or monochlamydeous with single whorl of perianth or achlamydeous without perianth, but has either androecium or gynoecium. Hence the number of floral whorls may one, two or three. Flowers of Canna can not be cut into two equal halves on any vertical radial plane and hence described as asymmetrical.

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