Michigan Trees: A Handbook of the Native and Most Important Introduced Species
c. Lower sides of leaves and petioles distinctly downy, the
lobes undulate or entire; leaves very thick, drooping at the sides. _A. saccharum nigrum_, p. 183.
Michigan Trees: A Handbook of the Native and Most Important Introduced Species
lobes undulate or entire; leaves very thick, drooping at the sides. _A. saccharum nigrum_, p. 183.