''Eriogonum ursinum'' is a species of
wild buckwheat known by the common names Bear Valley buckwheat and talus 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
northern California where it is found on mountains from the northern
Sierra Nevada to the southern
Klamath Mountains
The Klamath Mountains are a rugged and lightly populated mountain range in northwestern California and southwestern Oregon in the western United States. As a mountain system within both the greater Pacific Coast Ranges and the California Coast ...
.
Description
This is an uncommon perennial herb growing mats of leaves from a woody
caudex, spreading to 60 centimeters wide at the base and growing erect
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 ...
s up to 40 centimeters high. The leaves are pale green to yellowish, woolly, and up to about two centimeters long. The compound inflorescence is made up of clusters of pale yellow to pale pink flowers atop long, naked stems.
External links
Jepson Manual TreatmentPhoto gallery
ursinum
Endemic flora of California
Flora of the Sierra Nevada (United States)
Flora without expected TNC conservation status
{{Polygonaceae-stub