Berberis microphylla, common name box-leaved barberry and Magellan barberry, in Spanish calafate and michay and other names, is an evergreen shrub, with simple, shiny box-like leaves. The calafate is native to southern Argentina and Chile and is a symbol of Patagonia.The bush grows to a height of 1.0 to 1.5 m (3 ft 3 in to 4 ft 11 in). It has many arching branches, each covered in many tripartite spines. The bush has many small yellow flowers in summer. Its edible blue-black berries are harvested ...