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Q.
Arrange in correct order according to the given figures.
Morphology of Flowering Plants
Solution:
Figure $A$ shows valvate aestivation in which the sepals or petals lie very close to each other with out overlapping.
Figure $B$ shows twisted aestivation in which one margin of the sepal or petal overlaps the next one which then overlaps the third one and so on.
Figure $C$ shows imbricate aestivation in which the margins of sepals or petals overlap one another but not in a particular direction.
Figure $D$ represents quincuncial aestivation in which the two petals are inner, two are outer and one is partly outer and partly inner.
Figure $E$ represents vexillary aestivation in which the largest petal (out of five) overlaps the two smallest anterior petals.
