STRUCTURAL ORGANISTION OF PLANTS AND ANIMALS
MORPHOLOGY OF FLOWERING PLANTS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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leaf sheath
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bulbil
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thalamus
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Pulvinus
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Detailed explanation-1: -The point of attachment of the leaf petiole to the stem is called pulvinus. In some leguminous plants, leaf base is swollen which is called pulvinus. Pulvinus regulates the movement of leaflets in plants like Mimosa.
Detailed explanation-2: -Pulvinus is the base of a leaf or leaflet. It is the soft mound or bulge and is the junction of the leaf with the axis. Pulvinus takes the pressure / force and bends elastically when force is applied. Pulvinus is responsible for the change in the orientation or position of the leaf.
Detailed explanation-3: -(a) In leguminous plants, leaf base becomes swollen, called pulvinus.
Detailed explanation-4: -Pulvinate, or a swollen leaf base, is an organ that is found in leguminous plants in the Fabaceae family. It helps in periodic leaf movement with the help of asymmetric swelling and contraction of the pulvinus.
Detailed explanation-5: -The swollen leaf base is called pulvinus.