Black Willow. Salix nigra Marsh.

Figure 19.—Black willow (Salix nigra)

Other Common Names

Swamp willow.

Habitat And Range

This tree is found in low ground and along streams from New Brunswick to western Ontario and in North Dakota, Florida, and Texas.


This willow is a tree attaining a height of 120 feet and a trunk diameter of 3 feet, with narrow lance-shaped leaves 2 1/2 to 5 inches long and up to three-quarters of an inch wide, finely toothed and hairy when young. Male and female flowers are borne in separate catkins which expand with the leaves the male catkins l to 2 inches and the female catkins 1 1/2 to 3 inches long.

Part Used

The bark and buds.