HABIT	ARMED SHRUB.
STEMS	USUALLY 2 OR 3 M IN HEIGHT AND 2 CM IN BASAL DIAMETER, BUT MAY REACH 5 M IN HEIGHT AND 8 CM IN BASAL DIAMETER. THE SPINES ARE SHORT AND SLIGHTLY CURVED AND VARY FROM THICK THROUGHOUT THE PLANT INCLUDING THE LEAF MIDRIB TO ENTIRELY ABSENT.
LEAVES	OPPOSITE OR ONE PER NODE, BROADLY OVATE WITH THE BORDER ENTIRE OR DEEPLY LOBED.
FLOWERS	WHITE, TUBULAR WITH 5 POINTED LOBES, AND GROUPED IN CORYMBIFORM CYMES.
FRUITS	BERRIES THAT GROW IN CLUSTERS OF TINY GREEN SPHERES, 1 CM IN DIAMETER, THAT LOOK LIKE GREEN PEAS, BECOME YELLOW WHEN FULLY RIPE.
SEEDS	NUMEROUS, FLAT, ROUND, BROWN.