Saguaro Cactus:
- Covered in dense pines which help to reflect solar rays
- Has a ribbed stem which reduces wind currents thus reduces evapotranspiration.
- Shallow roots covering a vast distance catches water that falls during storms before it evaporates.
- Waxy cuticle reduces water loss.
- Stomata sunk into stem meaning there is a low gradient decreases evapotranspiration.
- Accordian-like stem which expands and fills with water during winter.
Creosote bush:
- Stomata close during the day which reduces evapotranspiration.
- Long tap roots to reach low ground water table.
Plants don't care about overheating!!
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