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Siberian Elm

Ulmus pumila

Ulmus pumila

Family: Ulmaceae – Elm Family

Trees to 6.9' (25 m) tall or more

Leaves: alternate; simple; 1” to 3” (2.5 to 7.5 cm) long

Flowers: 0 petals; 4 to 9 sepals; 8 stamens; unisexual; greenish flowers borne in clusters

Pollinators: wind

Fruits: winged samara

Blooms in Arches National Park: March, April

Habitat in Arches National Park: cultivated shade tree that grows rapidly and escaped

Location seen: around Visitor Center buildings

Other: The genus name, “Ulmus”, is the classical Latin name for “elm” and the species name, “pumila”, means “small or dwarf”.

This is a non-native plant.

Did You Know?

Pine Tree Arch

There are over 2,000 cataloged arches in Arches National Park. In order to be considered an arch, an opening must measure at least three feet (in any direction).