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Q.
In which of the following aestivation sepal's petal's one margin covers the other and its margin is covered by previous one?
J & K CETJ & K CET 2006
Solution:
In twisted aestivation sepals/petals edges are overlapping each other (i.e.,one margin covers the others and its margin is covered by previous one) whereas in valvate the margins of sepals and petal's only touch to each other.