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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?

Pinyon Pine

Pinyon trees do not produce pine nuts every year. These delicious nuts can only be harvested every three to seven years. This irregular schedule prevents animals from adapting to an abundance of pine nuts and guarantees that at least some nuts will become new trees instead of a quick meal.