''Horkelia tularensis'' is a species of flowering plant in the
rose family
Rosaceae (), the rose family, is a medium-sized family of flowering plants that includes 4,828 known species in 91 genera.
The name is derived from the type genus ''Rosa''. Among the most species-rich genera are ''Alchemilla'' (270), ''Sorbus' ...
known by the common name Kern Plateau horkelia. 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
Tulare County, California
Tulare County ( ) is a County (United States), county located in the U.S. state of California. As of the 2010 United States Census, 2020 census, the population was 473,117. The county seat is Visalia, California, Visalia. The county is named for ...
, where it is known from about ten occurrences in the
High Sierra Nevada. It grows in rocky, exposed areas.
Description
This is a mat-forming perennial herb producing clumps of short, erect leaves and stems. The leaves are up to about 10 centimeters long and are made up of small closely packed leaflets.
The foliage is covered in hairs that give the plant a light gray-green color. Stems grow to about 20 centimeters in maximum height and hold
inflorescence
An inflorescence is a group or cluster of flowers arranged on a stem that is composed of a main branch or a complicated arrangement of branches. Morphologically, it is the modified part of the shoot of seed plants where flowers are formed o ...
s of several flowers each. The flower has pointed green
sepal
A sepal () is a part of the flower of angiosperms (flowering plants). Usually green, sepals typically function as protection for the flower in bud, and often as support for the petals when in bloom., p. 106 The term ''sepalum'' was coined b ...
s up to half a centimeter long and shorter, narrow white petals.
External links
Jepson Manual TreatmentPhoto gallery
tularensis
Endemic flora of California
Natural history of Tulare County, California
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