Question

Give in detail the anatomical adaptations shown by xerophytes.

Answer 1

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$\underline{ \bf{ \blue{Firstly , what \: are \: Xerophytes ? \: }}}$

✴ Xerophytes are the plants that grow in dry conditions with deficient supply of water.

Examples : Tribulus (Ephemeral) , Opuntia (Stem succulent) , Aloe (leaf succulent) , Asparagus (root succulent) , Casuarina (Non succulent ) ...

$\large{ \bf{ \purple{Anatomical \: Adaptations \: : }}}$
❇These Adaptations enable them to survive under the prevailing xeric (dry) conditions ❇

✔ Epidermis is covered with thick cuticle to reduce the rate of transpiration.

✔ Epidermal cells may have silica crystals.

✔ Epidermis may be multilayered.

✔Stomata are generally confined to lower Epidermis of the leaves (hypostomatous).

✔They are present in pits in some plants(Sunken stomata).

✔ Mechanical tissues are relatively well developed.

✔ Vascular tissues are relatively well developed.

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Answer 2

$\sf\underline\purple{ Anatomical \: adaptations \: of \: Xerophytes }$

1. In Xerophytes, epidermis is covered with thick cuticle to reduce the rate of transpiration.
2. Epidermal cells may have silica crystals.
3. Epidermis may be multilayered.
4. Stomata may be confined to lower epidermis of leaves.
5. In some leaves the stomata are present in pits.
6. Mechanical tissues are relatively well developed.
7. Vascular tissues are relatively well developed.
8. Ex :- Nerium