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Marcus, Joseph A.
Ulmus alata Michx.
Winged elm, Wahoo
USDA Symbol: ulal
USDA Native Status: L48 (N)
Winged elm grows 30-40 ft. high with spreading branches that form a round-topped, oblong head. Opposite corky ridges occur on the branches in one plane. Dark-green leaves alternate, ovate, oblique, doubly serrate, acuminate, small. Leaves may turn dull yellow in fall. Fruit a samara, brown.
In the 18th and 19th centuries, the fibrous inner bark was made into rope for fastening covers of cotton bales. The common and Latin species names refer to the distinctive broad, corky wings present on some twigs; Wahoo was the Creek Indian name.
Bloom InformationBloom Color: Yellow , Green
Bloom Time: Feb , Mar , Apr
, VA Native Distribution:
to s. IL,
s. to c. FL, OK
& s.e TX Native Habitat:
Stream banks; woods; thickets
Growing ConditionsWater Use:
Medium Light Requirement:
Part Shade Soil Moisture:
Dry CaCO3 Tolerance:
Low Cold Tolerant:
Variety of soils; best on terraces and bottomlands; may be somewhat weedy; fast growing; medium-lives. Conditions Comments:
Easily propagated from seed. Root Hormone is recomended for cuttings. Sometimes planted as a street tree
in the southern states. Susceptible to Dutch elm disease. Often infected with powdery mildew.
Fast growing, shade tree,
attractive. Use Wildlife:
Cover, Nesting site, Substrate-insectivorous birds, Seeds-granivorous birds, Seeds-Small mammals, Leaves-rabbit, Browse. Use Medicinal:
Indians seeped inner bark bark
for diarrhea and to ease childbirth. Use Other: Bark
fibers woven into baskets and rope. Interesting Foliage:
Butterflies Larval Host:
Question Mark butterfly.
PropagationPropagation Material: Softwood Cuttings
Description: Elms germinated quickly from fresh, untreated seeds. Sow spring-ripening species immediately after collection; fall-ripening after winter storage and stratification. Easily transplanted.
Seed Collection: Collect seeds by raking from the ground soon after they fall or by stripping them from the branches. Air-dry a few days before storing. Store in sealed, refrigerated containers.
Seed Treatment: Fall-ripened seeds may be stratified for 30-60 days at 36-40 degrees.
Commercially Avail: yes
Butterflies and Moths of North America (BAMONA)
is a larval host and/or nectar source for:
National Wetland Indicator Status
This information is derived from the U.S. Army Corps of Engineers National Wetland Plant List, Version 3.1
(Lichvar, R.W. 2013. The National Wetland Plant List: 2013 wetland ratings. Phytoneuron 2013-49: 1-241). Click here
for map of regions.
Record Last Modified: 2012-10-15
Research By: LAL