Sonoran Desert Buckthorns

Woody shrubs or small trees. Often with sharp thorns. Fruit often a small, dark berry. Elyptic leaves alternate. Several species.

Graythorn	Ziziphus obtusifolia	Bitter Condalia	Condalia globosa
Very thorny shrub along washes and near riparian areas. Smooth gray-green twigs and thorns. Small cream colored flowers and smallish blue-black berries. May have more leaves following rainy periods. Common. Detailed Description		Large woody shrub or small, gnarled tree with sharp thorns. Usu. along washes or canyons, but mostly uncommon. Nice specimens at Organ Pipe National Monument, Arizona. Dark blue-black berries. Detailed Description
Colubrina	Colubrina californica	Warnock's Snakewood	Condalia warnockii
Rare shrub found in canyons or deep, watered washes. Spatulate leaves. No sharp thorns. Detailed Description		Large shrub of eastern Pima and Pinal Counties and hence eastward into Chihuahuan. Small spatulate leaves have prominent veins on underside of leaf. Red berries ripening to black. Very sharp, straight thorns. Detailed Description