''Eriogonum viridescens'' is a species of
wild buckwheat known by the common name twotooth buckwheat. It is
endemic
Endemism is the state of a species being found 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 found else ...
to
California
California is a state in the Western United States, located along the Pacific Coast. With nearly 39.2million residents across a total area of approximately , it is the most populous U.S. state and the 3rd largest by area. It is also the m ...
, where it grows in the
Central Coast Ranges through the
Transverse Ranges
The Transverse Ranges are a group of mountain ranges of southern California, in the Pacific Coast Ranges physiographic region in North America. The Transverse Ranges begin at the southern end of the California Coast Ranges and lie within Santa ...
and into the
Mojave Desert
The Mojave Desert ( ; mov, Hayikwiir Mat'aar; es, Desierto de Mojave) is a desert in the rain shadow of the Sierra Nevada mountains in the Southwestern United States. It is named for the indigenous Mojave people. It is located primarily ...
, as well as in the
Central Valley. It grows in a variety of habitat types, generally on
clay
Clay is a type of fine-grained natural soil material containing clay minerals (hydrous aluminium phyllosilicates, e.g. kaolin, Al2 Si2 O5( OH)4).
Clays develop plasticity when wet, due to a molecular film of water surrounding the clay par ...
and sandy soils.
Description
This is a slender annual herb producing flowering stems up to about 30 centimeters tall surrounded at the bases by woolly oval leaves. The
inflorescence
An inflorescence is a group or cluster of flowers arranged on a Plant stem, stem that is composed of a main branch or a complicated arrangement of branches. Morphology (biology), Morphologically, it is the modified part of the shoot of sperma ...
is a wide open array of branches lined with clusters of white or pink flowers. Each flower has lobes only about a millimeter long which are wider at the tips.
External links
Jepson Manual TreatmentPhoto gallery
viridescens
Endemic flora of California
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 Transverse Ranges
Flora without expected TNC conservation status
{{Polygonaceae-stub