Write briefly on classification of Xerophytes.
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1]Ephemeral animals:there animals are able to complete their life cycles within a short period of 6-8 weeks.
2]Succulents:these plants have fleshy stems , leaves and roots which are swollen and serve as water storage organs.
3]Non-succulent perennials:they are true xerophytes as they possess a no. of morphological , anatomical & psycological charACTERSTICS.
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Plants, which grow in dry habitats or xeric conditions, are called xerophytes. Places where available water is not present in adequate quantity are termed xeric habitats, which may be of three types.
1. Physically dry habitats
Where water retaining capacity of the soil is very low and the climate is dry e.g. Desert, Rock surface etc.
2. Physiologically dry habitats
Places where water is present in excess amount, but it is not absorbed by the plants easily.
3. Physically and physiologically dry habitse.g. Slopes of mountains.
Daubenmire (1959) defined xerophytes as "plants which grow on substrate that usually become depleted of water to a depth of at least two decimeters during normal growth season."
1. Physically dry habitats
Where water retaining capacity of the soil is very low and the climate is dry e.g. Desert, Rock surface etc.
2. Physiologically dry habitats
Places where water is present in excess amount, but it is not absorbed by the plants easily.
3. Physically and physiologically dry habitse.g. Slopes of mountains.
Daubenmire (1959) defined xerophytes as "plants which grow on substrate that usually become depleted of water to a depth of at least two decimeters during normal growth season."
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