| Leaf: Alternate, drought deciduous, 3/4 inch long, ovate, elliptical or oblong, entire or a few teeth.
Flower: Very small, inconspicuous, pale green, appear in small clusters in the leaf axils in early spring.
Fruit: Round to elliptical, 1/4 inch juicy drupe, dark blue to black, maturing in early summer.
Twig: Slender, stiff, light gray to gray-green, finely hairy, numerous stout thorns 1 to 3 inches long at nearly right angles to stem, small gray buds.
Bark: Light gray-brown and smooth, numerous stout thorns.
Form: A very spiny, tangled shrub up to 8 feet in height and width.