Sedum Stenopetalum
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''Sedum stenopetalum'', also known as wormleaf stonecrop or narrow-petaled stonecrop, is a species of flowering plant in the stonecrop family. It is native to western North America from
British Columbia British Columbia is the westernmost Provinces and territories of Canada, province of Canada. Situated in the Pacific Northwest between the Pacific Ocean and the Rocky Mountains, the province has a diverse geography, with rugged landscapes that ...
and
Alberta Alberta is a Provinces and territories of Canada, province in Canada. It is a part of Western Canada and is one of the three Canadian Prairies, prairie provinces. Alberta is bordered by British Columbia to its west, Saskatchewan to its east, t ...
to northern
California California () is a U.S. state, state in the Western United States that lies on the West Coast of the United States, Pacific Coast. It borders Oregon to the north, Nevada and Arizona to the east, and shares Mexico–United States border, an ...
to
Wyoming Wyoming ( ) is a landlocked U.S. state, state in the Mountain states, Mountain West subregion of the Western United States, Western United States. It borders Montana to the north and northwest, South Dakota and Nebraska to the east, Idaho t ...
. It can be found in many types of rocky habitat, such as cliffs, talus, and steep ridges. It is a
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'', meanin ...
producing mats or clumps of lance-shaped, linear, or three-lobed leaves each under 2 centimeters long. 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 ...
is a short, erect array of one to many flowers with lance-shaped petals up to a centimeter long. The petals are yellow, sometimes with red veins.


Taxonomy

''Sedum stenopetalum'' is classified in the ''
Sedum ''Sedum'' is a large genus of flowering plants in the family Crassulaceae, members of which are commonly known as stonecrops. The genus has been described as containing up to 600 species, subsequently reduced to 400–500. They are leaf succule ...
'' genus in the family
Crassulaceae The Crassulaceae (, from Latin ''crassus'', thick), also known as the crassulas, the stonecrops or the orpine family, are a diverse Family (biology), family of dicotyledon angiosperms primarily characterized by succulent leaves and a form of phot ...
. It was scientifically described and named by
Frederick Traugott Pursh Frederick Traugott Pursh (or Friedrich Traugott Pursch) (February 4, 1774 – July 11, 1820) was a German people, German–United States, American botanist. Born in Großenhain, in the Electorate of Saxony, under the name Friedrich Traugott Pursh, ...
in 1813.


Subspecies and varieties

The species has two accepted
subspecies In Taxonomy (biology), biological classification, subspecies (: subspecies) is a rank below species, used for populations that live in different areas and vary in size, shape, or other physical characteristics (Morphology (biology), morpholog ...
and one accepted
variety Variety may refer to: Arts and entertainment Entertainment formats * Variety (radio) * Variety show, in theater and television Films * ''Variety'' (1925 film), a German silent film directed by Ewald Andre Dupont * ''Variety'' (1935 film), ...
.


''Sedum stenopetalum'' subsp. ''ciliosum''

Subspecies ''ciliosum'' was first described by Thomas Jefferson Howell as a species named ''Sedum ciliosum'' in 1898. It was reclassified as a subspecies by Robert Theodore Clausen in 1948. It only grows in the state of Oregon.


''Sedum stenopetalum'' var. ''monanthum''

Variety ''monanthum'' was initially described as a species in 1898 by Thomas Howell, but with the
illegitimate name ''Nomen illegitimum'' (Latin for illegitimate name) is a technical term used mainly in botany. It is usually abbreviated as ''nom. illeg.'' Although the International Code of Nomenclature for algae, fungi, and plants uses Latin terms as qualif ...
''Sedum uniflorum''. It was then described by
Wilhelm Nikolaus Suksdorf Wilhelm Nikolaus Suksdorf (September 15, 1850 – October 3, 1932) was an American botanist who specialized in the flora of the Pacific Northwest. He was largely self-taught and is considered one of the top three self-taught botanists of his ...
in 1927, again as a species, but this time with the name ''Sedum monanthum''. It was reclassified as a variety of ''Sedum stenopetalum'' under its present name by
Hideaki Ohba use both this parameter and , birth_date to display the person's date of birth, date of death, and age at death) --> , death_place = , death_cause = , body_discovered = , resting_place = , resting_place_coordinates = ...
in 2007.


''Sedum stenopetalum'' subsp. ''stenopetalum''

The autonymic subspecies grows in western Canada and the northwestern United States.


Synonyms

''Sedum stenopetalum'' has
synonyms A synonym is a word, morpheme, or phrase that means precisely or nearly the same as another word, morpheme, or phrase in a given language. For example, in the English language, the words ''begin'', ''start'', ''commence'', and ''initiate'' are a ...
of the species or one of its subspecies or variety.


Names

It is known by the
common name In biology, a common name of a taxon or organism (also known as a vernacular name, English name, colloquial name, country name, popular name, or farmer's name) is a name that is based on the normal language of everyday life; and is often con ...
s ''wormleaf stonecrop'' or ''narrow-petaled stonecrop''.


References


External links


Jepson Manual TreatmentUSDA Plants ProfileFlora of North AmericaWashington Burke MuseumPhoto gallery
stenopetalum ''Stenopetalum'' (common name thread petal) is a genus in the Brassicaceae family which is endemic to Australia. It was first described by Robert Brown in 1821. Species There are 11 species in the genus. *'' Stenopetalum anfractum'' E.A. Shaw * ...
{{Crassulaceae-stub