| Trees with alternate leaves having stipules and an oblique base. Sap watery. Fruit an evenly winged samara or drupe. | |
| Flora of North America: Discussion, key to genera (opens new window) | |
| Flower Formula: Sepals 4-8; Petals 0 | Glossary |
| Genus  (Click for Taxon List) |
WI Taxa (map link) |
Photo | Genus Traits | Google Searches |
|---|---|---|---|---|
| Celtis
hackberry, nettle-tree, sugarberry |
1 | ![]() |
Fruit not winged. | Images Information |
| Ulmus
elm |
5 | ![]() |
Fruit winged. | Images Information |
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