• Double O Arch

    Arches

    National Park Utah

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Pretty Buckwheat

Eriogonum bicolor

Eriogonum bicolor

Family: Polygonaceae (Buckwheat Family)

Subshrubs; 0.8” to 3.2” (2 to 8 cm) tall

Leaves: alternate and basal; simple; 0.2” to 0.6” (5 to 15 mm) long, 0.04” to 0.12” (1 to 3 mm) wide; woolly with hairs

Flowers: 0 petals; 3-6 sepals, usually 5 or 3+3, petaloid; 2-9 stamens in 2 series; 1 pistil; small flowers in clusters; flowers white to pink or rose; flowers 0.08” to 0.16” (2 to 4 mm) long

Pollinators: other Eriogonum species are pollinated by bees

Fruits: achene

Blooms in Arches National Park: late April, May, June

Habitat in Arches National Park: desert shrub, pinyon-juniper and grassland communities; often in sand

Location seen: Windows primitive trail, Salt Valley

Other: The genus name, “Eriogonum”, means “woolly knee” and refers to the hairs located at the swollen joints of many species of this genus. The species name, “bicolor ”, means “of two colors”.

This plant is endemic to Carbon, Emery, Garfield, Grand (the type specimen was collected in Thompson Springs), San Juan, Sevier, and Wayne Counties in Utah.

This family's scientific name, “Polygonaceae”, is derived from the Greek words “poly” which means "many" and "goni" which means "joint", a reference to many species that have swollen nodes or joints.

Did You Know?

Common Raven

The common raven displays abilities to play and problem-solve that are rare among animals. This member of the crow family is also very vocal, communicating with over a dozen sounds. Perhaps because of these qualities, ravens have achieved a certain stature in both European and Native American folklore.