This 3-6 ft. evergreen shrub, can reach 10 ft. in favorable conditions. The rigid, spreading branches often form thickets. Gray-green to blue-gray, trifoliate, holly-like leaves are alternate, 2-4 inches long, divided into three leaflets which have 3-7 lobes ending in sharp spines. Wood bright yellow. Flowers numerous, yellow, up to 1/2 inch wide with 6 petals and 6 sepals, which are similar, forming a cup shape around the stamens and pistils. Flowers appearing in February and March, their fragrance often filling the air where they are plentiful. Fruit a red berry, edible appearing from May to July