''Eriogonum angulosum'' is a species of wild buckwheat known by the common name anglestem buckwheat. The plant is

endemic Endemism is the state of a species being found only in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also foun ...

to central and Southern

California California () is a U.S. state, state in the Western United States that lies on the West Coast of the United States, Pacific Coast. It borders Oregon to the north, Nevada and Arizona to the east, and shares Mexico–United States border, an ...

, where it is common to abundant in many types of habitat, from

chaparral Chaparral ( ) is a shrubland plant plant community, community found primarily in California, southern Oregon, and northern Baja California. It is shaped by a Mediterranean climate (mild wet winters and hot dry summers) and infrequent, high-intens ...

and oak woodlands to

sagebrush Sagebrush is the common name of several woody and herbaceous species of plants in the genus ''Artemisia (plant), Artemisia''. The best-known sagebrush is the shrub ''Artemisia tridentata''. Sagebrush is native to the western half of North Amer ...

and the

Mojave Desert The Mojave Desert (; ; ) is a desert in the rain shadow of the southern Sierra Nevada mountains and Transverse Ranges in the Southwestern United States. Named for the Indigenous peoples of the Americas, indigenous Mohave people, it is located pr ...

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 In botany, an inflorescence is a group or cluster of flowers arranged on a plant's Plant stem, stem that is composed of a main branch or a system of branches. An inflorescence is categorized on the basis of the arrangement of flowers on a mai ...

, 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

stamen The stamen (: stamina or stamens) is a part consisting of the male reproductive organs of a flower. Collectively, the stamens form the androecium., p. 10 Morphology and terminology A stamen typically consists of a stalk called the filament ...

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
angulosum Endemic flora of California Flora of the Sierra Nevada (United States) Flora of the California desert regions Natural history of the California chaparral and woodlands Natural history of the California Coast Ranges Natural history of the Central Valley (California) Natural history of the Mojave Desert Natural history of the Santa Monica Mountains Natural history of the Transverse Ranges Taxa named by George Bentham Flora without expected TNC conservation status {{Polygonaceae-stub