158077 Hazel - Corylus avellana Betulaceae - spring. Height to 6m Multi-stemmed shrub, or short tree. Bark Smooth, shiny, peeling into papery strips. Branches Upright to spreading. Twigs with stiff hairs, buds oval and smooth. Leaves Rounded, to 10cm long, hairy above; heart-shaped base and pointed tip. Margins double-toothed. Reproductive parts Male catkins to 8cm long, pendulous and yellow. Female flowers red and tiny; produce hard-shelled nuts. Status Common, often coppiced.