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Q.
Pulvinus condition is seen in
Morphology of Flowering Plants
Solution:
Pulvinus is a group of cells at the base of a leaf or
leaflet in certain plants that by rapidly loosing or gaining
water, bring about changes in the position of the leaves.
In the sensitive plant Mimosa pudica, the pulvinus is
responsible for the folding of the leaves that occurs when
the plant is touched or injured.