Eriogonum brachyanthum

Short-flower wild buckwheat

Eriogonum brachyanthum (Short-flower wild buckwheat), native California herb

(c) Jim Morefield, some rights reserved (CC BY), uploaded by Jim Morefield · licence

Family: Polygonaceae · Type: Herb · Native

Eriogonum brachyanthum (Short-flower wild buckwheat) is a native California herb in the Polygonaceae family, recognized by extremely small flowers (0.6-0.8mm) and typically yellow perianth color.

Short-flower wild buckwheat is a California native annual herb found in the eastern Sierra Nevada and Mojave Desert bioregions in sandy habitats at elevations of 600 to 2,300 meters. Flowering from April to November, this plant produces pale yellow to white flowers less than one millimeter long. Growing with slender glabrous stems 5 to 30 centimeters tall, it forms compact low-growing plants. Its basal leaves are rounded, generally one to two centimeters long, and covered in soft woolly tomentose surfaces. The tiny flowers emerge in sparse, delicate branching clusters across sandy terrain.

Identification and appearance

Key characters: Co-occurs with 82 species; distinguished by extremely small flowers (0.6-0.8mm) and typically yellow perianth color

Habitat and range

Habitat: Common. Sand

Elevation: 600-2300 m

California counties: Los Angeles, San Bernardino, Ventura, Inyo, Kern, Mono, Riverside, San Diego

Outside California: western Nevada, south-central Oregon

Bloom period

Eriogonum brachyanthum blooms Apr-Nov.

How to tell it apart

vs Adenostoma: Eriogonum has flowers in cup-like involucres; Adenostoma has tiny white rose-family flowers in spikes.; vs Salvia: Eriogonum has six similar perianth parts; Salvia has two-lipped tubular flowers.; vs Fagopyrum: Eriogonum has flowers in involucred clusters; Fagopyrum has loose branching sprays without involucres.; vs Artemisia: Eriogonum has cup-surrounded flower clusters; Artemisia has tiny inconspicuous heads in drooping sprays.; vs Chorizanthe: Eriogonum has multiple flowers per involucre; Chorizanthe has one flower per involucre with spiny teeth.

Frequently asked questions

Is Eriogonum brachyanthum native to California?

Yes. Eriogonum brachyanthum is native to California (recorded as native).

When does Eriogonum brachyanthum bloom?

Eriogonum brachyanthum blooms Apr-Nov.

Where in California does Eriogonum brachyanthum grow?

Eriogonum brachyanthum occurs in Los Angeles, San Bernardino, Ventura, Inyo, Kern, Mono, Riverside, San Diego, at elevations of 600-2300 m.

What plant family does Eriogonum brachyanthum belong to?

Eriogonum brachyanthum is in the Polygonaceae family, genus Eriogonum.

What habitat does Eriogonum brachyanthum grow in?

Eriogonum brachyanthum grows in Common. Sand.

Related species

Other California species in the same genus, family, or bioregion.

All Eriogonum species · All Polygonaceae

Sources: Jepson eFlora · Index of California Plant Names · CalPhotos

Last updated 2026-10-07

Data from The California Species Project — 14,000+ California species with verified data from CNPS, CDFW, USFWS, Cal-IPC, and more.