A tree's leaves are one major marker that helps in ... Naturalist Roger Tory Peterson says that unlike the precise silhouette of birds, a tree is not so consistent in form or shape: "The beginner ...

Ficus trees are some of the most popular plants for growing indoors as houseplants. Each variety produces attractive foliage ...

Fall provides plenty of dramatic subject matter along those lines, beyond the changing leaves. What is it exactly that gives the foliage of deciduous trees the signal to let go (except in the case ...