Northern Prairie Wildlife Research Center
Southern Wetland Flora
Field Office Guide to Plant Species
Ulmus rubra Muhl.
- Family: Elm (Ulmaceae)
- Flowering: February-April
- Field Marks: This elm lacks the perforation of the tip of the winged fruit. The leaves usually
are very sandpapery to the touch.
- Habitat: Woods, along streams, rich wooded bluffs, bottomlands.
- Habit: Tree up to 80 feet tall; trunk diameter up to 4 feet; crown broadly rounded or flat-topped.
- Bark: Reddish brown to gray, with shallow furrows; inner bark becoming slippery when chewed.
- Twigs: Rather stout, reddish brown, with short gray hairs.
- Leaves: Alternate, simple, oval to elliptic, pointed at the tip, strongly asymmetrical at the base,
coarsely doubly toothed, the upper surface very rough to the touch, the lower surface smooth
- Flowers: In drooping clusters, appearing before the leaves unfold, greenish, small.
- Sepals: 7-9, united below, greenish, very small.
- Petals: 0.
- Stamens: 7-9.
- Pistils: Ovary superior.
- Fruits: Samaras circular, winged, up to 3/4 inch in diameter, not hairy except over the seed,
the wing surrounding a single seed.
- Notes: The inner bark has soothing properties that are useful in treating laryngitis. The wood
has been used for shipbuilding, farm implements, and fence posts.
Previous Species -- Cedar Elm (Ulmus crassifolia)
Return to Species List -- Group 5
Next Species -- Farkleberry (Vaccinium arboreum)