Other characters: The bark is close like that of the mockernut hickory.
Comparisons: The Norway maple is apt to be confused with the sycamore maple (Acer pseudoplatanus), but differs from the latter in having a reddish bud instead of a green bud, and a close bark instead of a scaly bark.
Box Elder (Acer negundo)
Distinguishing characters: The terminal twigs are green, and the buds are round and small. [Fig. 36].
Leaf: Has three to seven leaflets.
Fig. 35.—Leaf of Norway Maple.
Form and size: A medium-sized tree with a short trunk and wide-spreading top.
Range: Eastern United States to the Rocky Mountains.