Robert W. Freckmann Herbarium

Ulmaceae: Elm

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 Photo of Celtis Fruit not winged. Images   Information
Ulmus
elm
5 Photo of Ulmus Fruit winged. Images   Information


         
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