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{{Short description|Genus of flowering plants}}
{{Taxobox
{{Speciesbox
| name = ''Achyronychia''
| image = Achyronychia cooperi 2.jpg
|image = Achyronychia cooperi 2.jpg
|image_caption = ''Achyronychia cooperi''
| image_width = 240px
|genus = Achyronychia
| regnum = [[Plant]]ae
|parent_authority = [[John Torrey|Torr.]] & [[Asa Gray|A.Gray]]
| divisio = [[Flowering plant|Magnoliophyta]]
|species = cooperi
| classis = [[Dicotyledon|Mangnoliopsida]]
| ordo = [[Caryophyllales]]
|authority = [[Asa Gray|A.Gray]]
|synonyms = ''Corrigiola litoralis'' <small>L.</small>
| familia = [[Caryophyllaceae]]
|synonyms_ref = <ref>[http://www.tropicos.org/Name/6300842 Tropicos]</ref>
| genus = '''''Achyronychia'''''
| species = '''''A. cooperi'''''
| binomial = ''Achyronychia cooperi''
| binomial_authority = [[John Torrey|Torr.]] & [[Asa Gray|A. Gray]]
}}
}}
'''''Achyronychia''''' is a monotypic genus of flowering plant containing the single species '''''Achyronychia cooperi''''', which is known by the common names '''onyxflower''' and '''frost-mat'''. This plant is native to the [[Mojave Desert|Mojave]] and [[Sonoran Desert]]s of northern [[Mexico]] and the [[U.S. state]]s of [[California]] and [[Arizona]]. Onyxflower is a diminutive plant which lies in a small mat flat on the ground. Its habitat is sand. It radiates several prostrate stems in all directions, each only a few centimeters long. The thick pale green leaves are paddle-shaped and under 2 centimeters long. In the leaf axils grow dense bunches of tiny flowers. There are no petals, but each flower has five thin shiny white [[sepal]]s that look like tiny [[fingernail]]s; the genus name ''Achyronychia'' is [[Greek language|Greek]] for "chaff fingernail".


'''''Achyronychia''''' is a monotypic genus of flowering plant containing the single species '''''Achyronychia cooperi''''', which is known by the common names '''onyxflower''' and '''frost-mat'''. This plant is native to the [[Mojave Desert|Mojave]] and [[Sonoran Desert]]s of northern [[Mexico]] and the [[U.S. state]]s of [[California]], [[Nevada]], [[Utah]] and [[Arizona]]. In California, it is known from [[San Diego County, California|San Diego]], [[Imperial County, California|Imperial]], [[Riverside County, California|Riverside]], [[Los Angeles County, California|Los Angeles]], [[San Bernardino County, California|San Bernardino]] and [[Inyo County, California|Inyo Counties]]. In Arizona, it occurs in [[Yuma County, Arizona|Yuma]], [[Mohave County, Arizona|Mohave]], [[Pima County, Arizona|Pima]], [[Pinal County, Arizona|Pinal]] and [[Maricopa County, Arizona|Maricopa Counties]]. It has also been reported from [[Washington County, Utah|Washington County]] in Utah, and from [[Clark County, Nevada|Clark County]], Nevada.<ref>[http://www.calflora.org/cgi-bin/species_query.cgi?where-taxon=Achyronychia+cooperi Calflora taxon report 86]</ref><ref>[http://bonap.net/MapGallery/County/Achyronychia%20cooperi.png Biota of North America floristic synthesis]</ref>
==External links==

{{commons|Achyronychia cooperi}}
Onyxflower is a diminutive plant which lies in a small mat flat on the ground. Its habitat is sand. It radiates several prostrate stems in all directions, each only a few centimeters long. The thick pale green leaves are paddle-shaped and under 2 centimeters long. In the leaf [[axils]] grow dense bunches of tiny flowers. There are no petals, but each flower has five thin shiny white [[sepal]]s that look like tiny [[fingernail]]s; the genus name ''Achyronychia'' is [[Greek language|Greek]] for "chaff fingernail".<ref>[http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=220000106 Flora of North America v 5]</ref><ref>[https://www.biodiversitylibrary.org/page/4535020#page/341/mode/1up Torrey, John, & Asa Gray. 1868. Proceedings of the American Academy of Arts and Sciences 7(2): 331.]</ref>
*[http://ucjeps.berkeley.edu/cgi-bin/get_JM_treatment.pl?2907,2908,2909 Berkley.edu - Jepson Manual Treatment]

== References ==
{{Reflist}}

== External links ==
{{Commons}}
*[http://ucjeps.berkeley.edu/cgi-bin/get_JM_treatment.pl?2907,2908,2909 Berkeley.edu - Jepson Manual Treatment]
*[http://plants.usda.gov/java/profile?symbol=ACCO3 USDA.gov - Plants Profile]
*[http://plants.usda.gov/java/profile?symbol=ACCO3 USDA.gov - Plants Profile]
*[http://calphotos.berkeley.edu/cgi/img_query?query_src=photos_index&where-taxon=Achyronychia+cooperi Berkeley.edu - photo gallery]
*[http://calphotos.berkeley.edu/cgi/img_query?query_src=photos_index&where-taxon=Achyronychia+cooperi Berkeley.edu - photo gallery]


{{Taxonbar|from1=Q2823166|from2=Q2704543}}


{{Caryophyllales-stub}}
[[Category:Caryophyllaceae]]
[[Category:Caryophyllaceae]]
[[Category:Flora of the Mojave Desert]]
[[Category:Monotypic Caryophyllaceae genera]]
[[Category:Flora of the Sonoran Desert]]
[[Category:North American desert flora]]
[[Category:Monotypic plant genera]]
[[Category:Flora of Arizona]]
[[Category:Flora of Utah]]
[[Category:Flora of Nevada]]
[[Category:Flora of California]]
[[Category:Flora of Sonora]]
[[Category:Flora of Baja California]]
[[Category:Flora without expected TNC conservation status]]



{{Caryophyllaceae-stub}}
[[pt:Achyronychia]]

Latest revision as of 08:17, 24 June 2022

Achyronychia
Achyronychia cooperi
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Caryophyllales
Family: Caryophyllaceae
Genus: Achyronychia
Torr. & A.Gray
Species:
A. cooperi
Binomial name
Achyronychia cooperi
Synonyms[1]

Corrigiola litoralis L.

Achyronychia is a monotypic genus of flowering plant containing the single species Achyronychia cooperi, which is known by the common names onyxflower and frost-mat. This plant is native to the Mojave and Sonoran Deserts of northern Mexico and the U.S. states of California, Nevada, Utah and Arizona. In California, it is known from San Diego, Imperial, Riverside, Los Angeles, San Bernardino and Inyo Counties. In Arizona, it occurs in Yuma, Mohave, Pima, Pinal and Maricopa Counties. It has also been reported from Washington County in Utah, and from Clark County, Nevada.[2][3]

Onyxflower is a diminutive plant which lies in a small mat flat on the ground. Its habitat is sand. It radiates several prostrate stems in all directions, each only a few centimeters long. The thick pale green leaves are paddle-shaped and under 2 centimeters long. In the leaf axils grow dense bunches of tiny flowers. There are no petals, but each flower has five thin shiny white sepals that look like tiny fingernails; the genus name Achyronychia is Greek for "chaff fingernail".[4][5]

References

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