Shrub with a smooth exterior. Bark is gray, rough and corky, covered with straight or recurved, 3-7 mm long, paired thorns; leaves are only on young branches, caducous, linear, 1-2 cm long, apex short, stiff, pale mucro-like prickle; flowers are red or pink, rarely yellow, in lateral corymbs; berries are globose or ovoid, 1-2 cm in diameter, dull red; seeds are globose, 2-5 mm in diameter. |