Shrub or tree to 12 m tall; twigs velutinous to tomentose, drying with con-spicuous furrows, rarely armed; trunk and large branches with short (5-10 mm long), stout spines. Leaves broadly elliptical, the margins entire or rarely sinuate or lobed, acute or obtuse apically, basally obtuse, often dimidiate, above glabrate drying blackish with scattered small, subsessile, multangulate hairs, beneath