Since water escapes the plant through the stomata, it's best for the plant to have them on the side of the leaf that does not get blasted by the sun all day.
A thousand secret whispers told him that newleaf was stirring in the cold earth, shooting up new green fronds and rousing the prey from its long leaf-bare sleep.
Instead of shedding as it gets colder, evergreens just drop a few leaves here or there all year while new ones grow in, kind of like how our hair grows on our heads.