a cold dry region where trees can not grow
desert
desert
A desert.
A desert is a dry region with little rainfall and few trees.
Only certain species and in a container, they grow in much warmer climates and cannot handle an Illinois winter.
cactus
A dry region without trees or water is called a desert. Plants and animals need special adaptations in order to survive in this harsh environment.
Well
Probably to limit water loss.
A desert is a dry barren region that is often sandy and lacks trees. Deserts receive minimal precipitation and have extreme temperature variations between day and night. The lack of vegetation is due to the harsh environmental conditions.
Trees grow quite tall in various regions in Texas. I assume you're reffering to the dry sparse regions, in which case the answer is obvious.
They cannot trap moisture.