What problems do desert plants and rainforest plants have in regards to water?

Desert plants face the challenge of limited water availability due to arid conditions, leading to adaptations such as deep root systems, water-storing tissues, and reduced leaf surface area to minimize water loss through transpiration. In contrast, rainforest plants may struggle with excess water saturation in the soil, which can lead to oxygen deprivation for roots and increased susceptibility to diseases caused by waterborne pathogens. Both types of plants have evolved specialized strategies to efficiently manage water resources and thrive in their respective environments.