Eriogonum alatum var. alatum

(Winged Buckwheat)

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Eriogonum alatum var. alatum, Pawnee Buttes, Weld Co. 7491

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Eriogonum alatum var. alatum, Pawnee Buttes, Weld Co. 7494

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Eriogonum alatum var. alatum, Pawnee Buttes, Weld Co. 7495

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Eriogonum alatum var. alatum, Pawnee Buttes, Weld Co. 7502

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Eriogonum alatum var. alatum, Pawnee Buttes, Weld Co. 7504

Scientific Name Eriogonum alatum var. alatum USDA PLANTS Symbol ERALA2
Common Name Winged Buckwheat ITIS Taxonomic Serial No. 195419
Family Polygonaceae (Buckwheat) SEINet
Reference
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Description Life zones and habitat: Plains to subalpine (3500 to 10500); sandy or gravelly soils in grasslands, brushlands, and open areas in woodlands.
Plant: Erect perennial with single, almost leafless stem 20 to 50 inches tall.
Leaves: Mostly basal, but sometimes stem leaves, narrowly-oblanceolate to linear-oblanceolate, 2 to 8 inches long, hairy surfaces.
Inflorescence: Tall panicle 8 to many inches high, with hairy branches, leaf-like and scale-like bracts and clusters of small flowers on peduncles up to an inch long; each blossom with six yellow to yellow-green tepals, often reddish or maroon in fruit, and 9 stamens with cream-colored anthers.
Fruit: Hanging, light green capsule, becoming brown, with three thin, whitish wings along the edges.
Bloom Period: June to August.
References: "Flora of Colorado" by Jennifer Ackerfield, American Southwest, Flora of North America and SEINet.
BONAP Distribution Map

Map Color Key
Colorado Status:
Native

© Tom Lebsack 2022

Banner photo: Ten Mile Range and Rhodiola integrifolia (King’s Crown) in Summit County