• Double O Arch

    Arches

    National Park Utah

Broom-flax

Linum aristatum

Linum aristatum

Family: Linaceae – Flax Family

Linum is the only genus from this family represented at Arches National Park.  Annual herbs from taproots; stems 3.2” to 1.5' (8 to 45 cm) tall

Leaves: alternate; simple; 0.12” to 0.6” (3 to 15 mm) long, 0.02” to 0.04” (0.5 to 1 mm) wide

Flowers: 5 distinct bright yellow or orange-yellow petals; 5 distinct sepals; 5 stamens; 1 pistil; flowers papery and short-lived

Pollinators: other genera in this family are pollinated by bees and flies

Fruits: capsule

Blooms in Arches National Park: May, June, July, August, September, October

Habitat in Arches National Park: desert shrub and pinyon-juniper communites in sandy areas

Location seen: Park road near Petrified Dunes (around mile 5 to 8), Devils Garden primitive trail

Other: The genus name, “Linum”, is from the Greek “linon” which is the name for flax used by Theophrastus, a Greek philospher. The species name, “aristatum”, means “long bristle tip”.

Flax fibers and linseed oil come from this family.

Did You Know?

Ed Abbey

Edward Abbey worked as a seasonal park ranger at Arches in the late 1950s. His 1968 memoir of this experience, "Desert Solitaire," has become a classic of desert literature.