 The top of each leaf is a dull green to bluish green and the bottom is a paler bluish-green.On the bottom portion of the leaves, rusty colored hairs run along the veins.The acorns are arranged singly or in pairs, 10–14 mm (1/3–1/2 in) long and broad, with a shallow cupule; they mature about 18 months after pollination in fall of second year.