''Eriogonum prattenianum'' is a species of
wild buckwheat known by the common name Nevada City buckwheat.
Description
''Eriogonum prattenianum'' is a small
shrub growing up to about half a meter tall when erect in form or growing in a clump or mat lined with oval-shaped woolly 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 ...
arises on a slender scape and bears a rounded cluster of yellow flowers.
Distribution
''Eriogonum prattenianum'' 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 can be found in many scattered
disjunct populations in the
Sierra Nevada and its foothills.
Taxonomy
There are two varieties of this species. The more common var. ''prattenianum'' occurs in scattered populations in the mountains and foothills, while the uncommon var. ''avium'' is limited to granite outcrops in the Sierra Nevada slopes of
Madera and
Fresno Counties. The latter is generally a smaller plant than the former.
External links
Jepson Manual Treatment - ''Eriogonum prattenianum''''Eriogonum prattenianum'' Photo gallery
prattenianum
Endemic flora of California
Flora of the Sierra Nevada (United States)
Natural history of Nevada County, California
Flora without expected TNC conservation status
{{Polygonaceae-stub