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''Eriogonum intrafractum'' is a species of wild buckwheat known by the common names jointed buckwheat and napkinring. This plant is
Clusters of flowers appear at nodes along this stem, which is actually part of the
Jepson Manual TreatmentPhoto gallery
intrafractum Endemic flora of California Flora of the California desert regions Death Valley National Park Natural history of Inyo County, California Flora without expected TNC conservation status {{Polygonaceae-stub
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 Inyo County, California
Inyo County () is a County (United States), county in the Eastern California, eastern central part of the U.S. state of California, located between the Sierra Nevada and the state of Nevada. In the 2020 United States census, 2020 census, the po ...
, where it is known only from the mountain ranges surrounding Death Valley
Death Valley is a desert valley in Eastern California, in the northern Mojave Desert, bordering the Great Basin Desert. It is thought to be the Highest temperature recorded on Earth, hottest place on Earth during summer.
Death Valley's Badwat ...
. It is an uncommon, distinctive perennial herb which grows in scattered patches on rocky limestone
Limestone is a type of carbonate rock, carbonate sedimentary rock which is the main source of the material Lime (material), lime. It is composed mostly of the minerals calcite and aragonite, which are different Polymorphism (materials science) ...
soils in these desert mountains.
Description
It forms a basal clump of woolly leaves up to seven centimeters long and bolts an erect, naked stem. The brown to reddish or tan stem branches very little or not at all. It is brittle and breaks into hollow, thin segments which are said to resemblenapkin ring
The napkin ring, occasionally called a Christening bangle, was originally used to identify the napkins of a household between weekly wash days. The figural napkin ring is an American specialty in which the simple napkin ring is part of a small f ...
s, hence its common name, the napkinring buckwheat.
Clusters of flowers appear at nodes along this stem, which is actually part 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 ...
. The clusters are densely packed with tiny yellow or red flowers.
External links
Jepson Manual Treatment
intrafractum Endemic flora of California Flora of the California desert regions Death Valley National Park Natural history of Inyo County, California Flora without expected TNC conservation status {{Polygonaceae-stub