Eriogonum angulosum is a species of wild buckwheat known by the common name anglestem buckwheat.
The plant is native to central California, Southern California, and Baja California where it is common to abundant in many types of habitat, from chaparral and oak woodlands to sagebrush and the Mojave Desert sands.
Description Eriogonum angulosum is an annual herb producing a spreading to erect stem up to tall. The leaves are located about the base of the plant and on the lower stem. They are lance-shaped and usually quite woolly in texture.
Most of the stem is made up of the inflorescence, an angled, grooved cyme with bell-shaped clusters of flowers at the tips of the branches. The individual flowers are only about a millimeter long and are white to pink-tinged in color with protruding stamens.
Taxonomy In 1836 botanist George Bentham scientifically described a new species in the Eriogonum genus, which he named Eriogonum angulosum. Along with the rest of the genus it is classified in the Polygonaceae family. Although the species has no accepted varieties, it has three that are botanical synonyms.
Table of Synonyms Name Year Rank Notes Eriogonum angulosum var. flabellatum 1906 variety = het. Eriogonum angulosum var. patens 1906 variety = het. Eriogonum angulosum var. pauciflorum 1906 variety = het. Eriogonum angulosum subsp. typicum 1936 subspecies ≡ hom., not validly publ. Notes: ≡ homotypic synonym; = heterotypic synonym
References
External links
Calflora Database: Eriogonum angulosum (Angled stem buckwheat) Jepson Manual eFlora (TJM2) treatment of Eriogonum angulosum U.C. Photos gallery of Eriogonum angulosum images