Sulphurflower Buckwheat (Eriogonum umbellatum)

Sulphurflower Buckwheat (Eriogonum umbellatum,

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Sulphurflower Buckwheat (Eriogonum umbellatum)
Sulphurflower Buckwheat (Eriogonum umbellatum)

Common Names: Sulphur-flower Buckwheat, Sulphur-flower Wild Buckwheat, Sulphur Buckwheat, Sulphur-flower
Synonyms:
Taxonomy: Knotweed (Polygonaceae)
Habit: perennial forb, herb
Size: up to 4’ tall
Flowers: yellow, red, white
Bloom: May, Jun, Jul, Aug, Sep, Oct
Leaves: basal
Fruit: aschene
Description:

The plant typically forms low, broad mats with individual clumps ranging from 4 inches to 2 ft (but up to 4 ft) tall and wide. Leaves are basal, 1 inch long, and softly wooly or hairless. Flower stems 3 to 16 inches tall are topped by clusters of tiny sulfur yellow flower heads. Flowers range from yellow to orange or reddish, sometimes turning rusty orange-red with age.

Distribution: AZ, CA, CO, ID, MT, NM, NV, OR, UT, WA, WY
Seen: UT, NV (Mount Charleston)
Habitat: sagebrush steppe and alpine areas

Sulphurflower Buckwheat (Eriogonum umbellatum). Cedar Breaks National Monument, Utah
Sulphurflower Buckwheat (Eriogonum umbellatum). Cedar Breaks National Monument, Utah
Sulphurflower Buckwheat (Eriogonum umbellatum). Cedar Breaks National Monument, Utah
Sulphurflower Buckwheat (Eriogonum umbellatum). Cedar Breaks National Monument, Utah
Sulphurflower Buckwheat (Eriogonum umbellatum). Cedar Breaks National Monument, Utah
Sulphurflower Buckwheat (Eriogonum umbellatum). Cedar Breaks National Monument, Utah
Sulphurflower Buckwheat (Eriogonum umbellatum). Mount Charleston, Nevada
Sulphurflower Buckwheat (Eriogonum umbellatum). Mount Charleston, Nevada

References:

Sulpherflower Buckwheat: USDA