Eriogonum annuum (Annual Buckwheat)
Family:
Polygonaceae (Buckwheat)
  
Eriogonum annuum grows on dry, often sandy sites on the plains and lower foothills. Flowers are a creamy white. Plants are 1 to 3 feet tall.

Vegetation zone:  Plains, Foothills
Time of bloom:  June - September
Origin:  Native
Eastern Colorado Wildflowers