is a swollen leaf base which can rapidly lose water.

Petiole

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Pulvinus

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Lamina

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Solution

The correct option is B Pulvinus
In some plants, the leaf base is swollen. This swollen base is known as pulvinus. It is a structure that can lose water instantly. It's commonly seen in Mimosa pudica (Touch-Me-Not plant).

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Similar questions

In some plants, the leaf base swells up and forms a __ that can lose water rapidly.

In some plants, the leaf base can swell up and form a ___ that can lose water rapidly.

A swollen leaf base is called

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