Eriogonum argillosum is a species of wild buckwheat known by the common names clay buckwheat, clay-loving buckwheat, and Coast Range wild buckwheat. It is endemic to California, where it is known only from San Benito and Monterey Counties.Flora of North America It grows on clay substrates, often of serpentine origin. This is an annual herb up to 30 to 60 centimeters tall with a basal patch of oval-shaped, woolly leaves and a naked stem. The top of the stem is occupied by the inflorescence, a cyme with several clusters of tiny white or pink flowers.
Taxonomy Eriogonum argillosum was scientifically described in 1932 by John Thomas Howell and placed in the Eriogonum genus. The species is classified in the Polygonaceae and has no botanical synonyms.
References
External links Calflora Database: Eriogonum argillosum (Clay buckwheat, Clay loving buckwheat) Jepson Manual eFlora (TJM2) treatment of Eriogonum argillosum UC Photos gallery: Eriogonum argillosum