May. Fruit is dark purple when it ripens in October. Thorns are long and curved. Leaf tips are acute. Leaves have three to four pairs of short lobes with doubly toothed margins. May. Fruit is reddish-brown and ripens in October.
Petioles are usually short.
A. Leaves are obovate to oblong obovate in shape, usually somewhat clustered, and borne erect above the twigs. Thorns are numerous, slender, falcate, and borne on rigid twigs. Flowers are white and borne in May to June. Fruit is dull red and ripens in October and November. Leaf margins are irregularly toothed.