Flower: Appears March to May before leaves open.
Fruit: Appears May to June, 3/4 to 1 inch across, margin and surface of wing smooth; surface of seed cavity pubescent.
Twig: Often stouter than American elm, slightly zigzag; ashy gray to brownish gray, often scabrous; lateral buds dark, chestnut brown to nearly black; buds may be
rusty-hairy, twigs mucilaginous when chewed.
Bark: Dark reddish-brown, does not show buff-colored patches or streaks when sectioned; bark fissures not as diamond-shaped as American elm; inner bark
mucilaginous.
Form: Trunk usually free of branches for a greater length than American elm, branches also less drooping.
