144475 CROWBERRY Empetrum nigrum (Empetraceae) Height to 10cm. Mat-forming, Heather-like evergreen undershrub with stems that are reddish when young. Found on upland moors on damp, acid ground. FLOWERS are tiny and pinkish, with 6 petals; arise at base of leaves (May-Jun). FRUITS are shiny berries, 5-7mm across, green at first but ripening black in late summer. LEAVES are narrow, shiny and dark green, with inrolled margins. STATUS-Locally common only in N Britain.