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Eriogonum compositum (Arrow-leaf wild buckwheat) | NPIN
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Eriogonum compositum (Arrow-leaf wild buckwheat)
Vick, Albert F. W.

Eriogonum compositum

Eriogonum compositum Douglas ex Benth.

Arrow-leaf wild buckwheat, Arrowleaf buckwheat, Northern buckwheat

Polygonaceae (Buckwheat Family)

Synonym(s):

USDA Symbol: ERCO12

USDA Native Status: L48 (N)

A strong, woody taproot supports the more-or-less prostrate, branched stems which form a mat-like clump up to 1 ft. wide. Leaves, on long, slender stalks, are oval to heart-shaped. Matted clumps of basal leaves with leafless stems and roundish clusters of tiny, whitish to deep yellow flowers. They are green above, white-woolly below. Creamy-white to deep yellow, tubular flowers are borne in rounded clusters on leafless stalks about 1 ft. tall.

This is a highly variable species in a genus of many species, most of which are difficult to distinguish from one another. The seeds are an important food for small wildlife, including ants. Eriogonum, from the Greek erion (wool) and gony (knee or joint), refers to the hairy stems of many species.

 

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Plant Characteristics

Duration: Perennial
Habit: Herb
Fruit:
Size Class: 0-1 ft.

Bloom Information

Bloom Color: White , Yellow
Bloom Time: May , Jun

Distribution

USA: CA , ID , OR , WA
Native Distribution: E. of the Cascades from Chelan Co., WA to n. CA, e. to Nez Perce Co., ID & n.e. OR
Native Habitat: Cliffs; talus; open, rocky slopes

Growing Conditions

Light Requirement: Sun
Soil Moisture: Dry
Soil Description: Dry, rocky soils.
Conditions Comments: Not Available

Value to Beneficial Insects

Special Value to Native Bees
Supports Conservation Biological Control

This information was provided by the Pollinator Program at The Xerces Society for Invertebrate Conservation.

Propagation

Description: Propagate only by seed as it is nearly impossible to transplant or divide the long taproots of mature plants. Plant seed thickly as germination is low.
Seed Collection: The three-sided achene can be hand-stripped from the plant.
Seed Treatment: Seeds of this genus generally germinate without pretreatment but in such a large genus, a variety of germination responses can be expected.
Commercially Avail: yes

Find Seed or Plants

Find seed sources for this species at the Native Seed Network.

From the National Suppliers Directory

According to the inventory provided by Associate Suppliers, this plant is available at the following locations:

Oregon Native Plant Nursery - Woodburn, OR

From the National Organizations Directory

According to the species list provided by Affiliate Organizations, this plant is on display at the following locations:

Native Seed Network - Corvallis, OR

Additional resources

USDA: Find Eriogonum compositum in USDA Plants
FNA: Find Eriogonum compositum in the Flora of North America (if available)
Google: Search Google for Eriogonum compositum

Metadata

Record Modified: 2007-01-01
Research By: TWC Staff

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