''Sedella leiocarpa'' is a rare species of flowering plant in the family
Crassulaceae known by the common names Lake County mock stonecrop
and Lake County stonecrop. 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 elsew ...
to
Lake County, California
Lake County is a county located in the north central portion of the U.S. state of California. As of the 2020 census, the population was 68,163. The county seat is Lakeport. The county takes its name from Clear Lake, the dominant geographic fe ...
, where it is known from only about ten occurrences in two locations. It is a resident of drying
vernal pools and rocky clay flats, where it grows in colonies. It is a federally listed
endangered species
An endangered species is a species that is very likely to become extinct in the near future, either worldwide or in a particular political jurisdiction. Endangered species may be at risk due to factors such as habitat loss, poaching and inv ...
. This is an annual herb growing no more than four centimeters high. It is a tiny erect reddish or yellow
succulent plant
In botany, succulent plants, also known as succulents, are plants with parts that are thickened, fleshy, and engorged, usually to retain water in arid climates or soil conditions. The word ''succulent'' comes from the Latin word ''sucus'', meani ...
with sparse leaves each a few millimeters long. The flowers have yellow to reddish petals 3 or 4 millimeters long.
References
External links
Jepson Manual TreatmentUSDA Plants ProfileCalifornia Native Plant Society Rare Plant ProfileFlora of North AmericaPhoto gallery
Crassulaceae
Endemic flora of California
Natural history of Lake County, California
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