Eriogonum umbellatum var. porteri

(Porter’s Buckwheat)

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Eriogonum umbellatum var. porteri, Kebler Pass, Gunnison Co. 3750

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Eriogonum umbellatum var. porteri, Kebler Pass, Gunnison Co. 3756

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Eriogonum umbellatum var. porteri, Kebler Pass, Gunnison Co. 3765

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Eriogonum umbellatum var. porteri, Kebler Pass, Gunnison Co. 3761

Scientific Name Eriogonum umbellatum var. porteri USDA PLANTS Symbol ERUMP2
Common Name Porter's Buckwheat, Porter's Sulphur Flower ITIS Taxonomic Serial No. 195618
Family Polygonaceae (Buckwheat) Flora of North America Ref. Click Here
Description Life zones and habitat: Montane to alpine (8800 to 12500 ft); rocky slopes and ridges, sagebrush meadows, conifer woodlands.
Plant: Mat-forming perennial with prostrate stems less than 2-1/2 inches tall; erect flowering stems less than 2 inches tall with woolly hairs to nearly smooth and with or without one or more leaflike bracts in the middle.
Leaves: Rosettes of basal leaves, blade usually elliptic to spatulate less than 1/2 inch long, with smooth upper and lower surfaces.
Inflorescence: Umbels with branches shorter than 0.2 inches; bright yellow flowers aging reddish, with tepals less than 1/4-inch long; a few green elliptic bracts at the base of the umbel.
Bloom Period: July to September.
References: "Flora of Colorado" by Jennifer Ackerfield and Flora of North America.
BONAP Distribution Map

Map Color Key
Colorado Status:
Native

© Tom Lebsack 2024

Banner photo: Castilleja rhexifolia and a brewing storm over the San Juan Mountains