single bud scale

leaf margin is entire with possibly a few irregular teeth, 2 to 4 inches long; dull dark green to gray green above, white, hairy and distinctly net-veined beneath; twigs are greening to reddish-brown, gray fuzz when young

leaf margin is entire but may have a few wavy teeth, edges are rolled under, and is 3 to 5 inches long; dark green above, paler and maybe reddish hairy beneath; twigs are yellowish to brown-red

leaf margin is weakly serrated, 2 to 4 inches long, may be fuzzy, blue-green above, and pale almost white beneath; twigs are green or red may be fuzzy