Eriogonum gracillimum
Encyclopedia
Eriogonum gracillimum is a species of wild buckwheat
Eriogonum
Eriogonum is the scientific name for a genus of flowering plants, in the family Polygonaceae. The genus is found in North America and is known as wild buckwheat. This is a highly species-rich genus, and indications are that active speciation is continuing...

 known by the common name rose and white buckwheat. It is endemic to California
California
California is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...

 but is common and widespread in many areas there. This is a spindly annual herb reaching anywhere from 5 to 50 centimeters in height. Most of the leaves are basal with a few scattered on the thin branched stem and are generally one to four centimeters long and somewhat woolly, with edges rolled under. Along the thread-thin branches of the stem appear small clusters of flowers which hang on short stalks in bell-shaped involucres
Bract
In botany, a bract is a modified or specialized leaf, especially one associated with a reproductive structure such as a flower, inflorescence axis, or cone scale. Bracts are often different from foliage leaves. They may be smaller, larger, or of a different color, shape, or texture...

. The two-millimeter-wide flowers are bright rose and white in color.

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