Complex sentence: As with some other plants, growing near water it keeps its leaves longer than do trees in drier situations, the glossy green foliage lasting after other trees have put on the red or brown of autumn, which renders it valuable for landscape effect.
Split into simpler sentences: As with some other plants, growing near water it keeps its leaves longer than do trees in drier situations. The glossy green foliage lasts after other trees have put on the red or brown of autumn, which renders it valuable for landscape effect.