The black willow is one of several species of willow in Indiana, but it is the only tree-sized willow in the state. This species has long, narrow leaves with short leaf stems, which are held ...

Both the underside and the top of the leaves are bright green, making a clear difference between a white and black willow. Willows are a water indicator tree which can be incredibly helpful.

It is a summer annual, dying off in late autumn. As suggested by its name, the leaves of willow weed are similar in shape to those of willow trees. These leaves usually have a distinctive brown ...