The trunk is straight with dark grey or brown outer bark.

Dark brown bark is relatively smooth, with horizontal raised lines.

The stems are smooth or sometimes slightly downy with a dark brown bark.

Don't use the older growth that has brown or gray bark.

The headlights picked out lines of crusty brown bark on the trees.

Once more, Niall could see only the rough brown bark.

It has many branches with smooth gray or reddish brown bark.

It is recognized by the many dark, pointed spines and smooth brown bark.

These are small and large trees, with red to brown bark.

It features a reddish brown bark with brilliant compound leaves.