How do desert plants survive with little water in the Arabian Desert?

Plants in the Arabian Desert survive the region's arid conditions primarily by being xerophytic—structurally adapted to limited water—or halophytic, meaning they are salt-tolerant.1

To manage water scarcity, these plants utilize several survival strategies:

• Water Storage and Conservation: Many desert plants are succulents that store water in their fleshy tissues. To minimize water loss through transpiration, they may feature waxy leaf coatings, dense hair coverings, or reduced leaf surface areas. Some species can drop their leaves entirely during dry periods or remain dormant until conditions improve.1234
• Root Systems: Plants like the sedge develop deep root systems, which help them access moisture and stabilize the soil in sandy areas.1
• Life Cycles: Many annual plants survive by remaining as long-buried seeds that germinate and bloom rapidly following spring rains, completing their entire life cycle during the cooler, wetter months.1
• Physiological Adaptations: Some plants utilize crassulacean acid metabolism, a process where they keep their stomata closed during the hot day to prevent evaporation and open them at night to take in carbon dioxide.5