They are plants living in warm, windy and dry habitats where water loss is highAdaptions are:- Stomata in pits, traps moist air reducing concentration gradient between leaf and air so less water transpires from leaf - Hairs on epidermis, trap moist air around stomata - Curled leaves, protect stomata from wind as wind increases transpiration, also trap humid air containing water and lowers exposed SA - Reduced number of stomata, so water can't escape - Waxy cuticle, waterproof so stems and leaves lose less water by transpiration

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