Pelecyphora minima: Difference between revisions
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'''''Escobaria minima''''' ([[Synonym (taxonomy)|syn.]] ''Coryphantha minima'') is a rare species of [[cactus]] known by the common names '''Nellie cory cactus''', '''Nellie's pincushion cactus''', '''birdfoot cactus''', and others. It is a very popular species among cactus collectors. This is one reason why it is a highly [[endangered species]] in the wild today.<ref name=tnc>[http://www.natureserve.org/explorer/servlet/NatureServe?searchName=Escobaria+minima ''Escobaria minima''.] The Nature Conservancy.</ref> This cactus is found only in [[Brewster County, Texas]], in the United States, where there are three populations remaining near [[Marathon, Texas|Marathon]].<ref name=tnc/><ref name=fna>[http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=242415330 ''Escobaria minima''.] Flora of North America.</ref> The cactus is limited to one outcrop in the [[Marathon Uplift]], where it grows in rocky [[novaculite]] soils.<ref name=cpc>[http://www.centerforplantconservation.org/collection/cpc_viewprofile.asp?CPCNum=1081 ''Escobaria minima''.] Center for Plant Conservation.</ref><ref name=fed>USFWS. [http://ecos.fws.gov/docs/federal_register/fr361.pdf Determination that ''Echinocereus viridiflorus'' var. ''davisii'' and ''Coryphantha minima'' are endangered species.] ''Federal Register'' November 7, 1979.</ref> It was added to the endangered species list in 1979.<ref name=fed/> |
'''''Escobaria minima''''' ([[Synonym (taxonomy)|syn.]] ''Coryphantha minima'') is a rare species of [[cactus]] known by the common names '''Nellie cory cactus''', '''Nellie's pincushion cactus''', '''birdfoot cactus''', and others. It is a very popular species among cactus collectors. This is one reason why it is a highly [[endangered species]] in the wild today.<ref name=tnc>[http://www.natureserve.org/explorer/servlet/NatureServe?searchName=Escobaria+minima ''Escobaria minima''.] The Nature Conservancy.</ref> This cactus is found only in [[Brewster County, Texas]], in the United States, where there are three populations remaining near [[Marathon, Texas|Marathon]].<ref name=tnc/><ref name=fna>[http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=242415330 ''Escobaria minima''.] Flora of North America.</ref> The cactus is limited to one outcrop in the [[Marathon Uplift]], where it grows in rocky [[novaculite]] soils.<ref name=cpc>[http://www.centerforplantconservation.org/collection/cpc_viewprofile.asp?CPCNum=1081 ''Escobaria minima''.] Center for Plant Conservation.</ref><ref name=fed>USFWS. [http://ecos.fws.gov/docs/federal_register/fr361.pdf Determination that ''Echinocereus viridiflorus'' var. ''davisii'' and ''Coryphantha minima'' are endangered species.] ''Federal Register'' November 7, 1979.</ref> It was added to the endangered species list in 1979.<ref name=fed/> |
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== Description == |
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The cactus' stem is mostly beneath the soil surface with the above ground portion a spiny spherical or columnar body no more than 3 centimeters long. It can become larger in cultivation. The longest spines are about half a centimeter long. They are flattened in shape and the tips are not needle-sharp but slightly more rounded. In color they may be tinged tan, yellow, gray, or pink, and sometimes the tips are darker. The flower is roughly 1.5 centimeters long and bright pink to [[magenta]] or rose-purple in color.<ref name=fna/> It may be larger than the cactus body itself.<ref name=tnc/> The green or yellowish fruit is no more than 6 millimeters long. |
The cactus' stem is mostly beneath the soil surface with the above ground portion a spiny spherical or columnar body no more than 3 centimeters long. It can become larger in cultivation. The longest spines are about half a centimeter long. They are flattened in shape and the tips are not needle-sharp but slightly more rounded. In color they may be tinged tan, yellow, gray, or pink, and sometimes the tips are darker. The flower is roughly 1.5 centimeters long and bright pink to [[magenta]] or rose-purple in color.<ref name=fna/> It may be larger than the cactus body itself.<ref name=tnc/> The green or yellowish fruit is no more than 6 millimeters long. |
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== Distribution and habitat == |
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The cactus' natural habitat is the [[Chihuahuan Desert|Chihuahuan]] [[Deserts and xeric shrublands|desert scrub]], where it grows in mats of ''[[Selaginella]]'' in rock crevices.<ref name=fna/> It occurs in association with ''[[Echinocereus viridiflorus]]'' var. ''davisii'', another cactus variety on the endangered species list.<ref name=fed/> |
The cactus' natural habitat is the [[Chihuahuan Desert|Chihuahuan]] [[Deserts and xeric shrublands|desert scrub]], where it grows in mats of ''[[Selaginella]]'' in rock crevices.<ref name=fna/> It occurs in association with ''[[Echinocereus viridiflorus]]'' var. ''davisii'', another cactus variety on the endangered species list.<ref name=fed/> |
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Revision as of 14:50, 8 April 2019
| Pelecyphora minima | |
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| Scientific classification | |
| Kingdom: | |
| (unranked): | |
| (unranked): | |
| (unranked): | |
| Order: | |
| Family: | |
| Subfamily: | |
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| Genus: | |
| Species: | E. minima
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| Binomial name | |
| Escobaria minima (Baird) D.R. Hunt
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| Synonyms | |
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Coryphantha nellieae | |
Escobaria minima (syn. Coryphantha minima) is a rare species of cactus known by the common names Nellie cory cactus, Nellie's pincushion cactus, birdfoot cactus, and others. It is a very popular species among cactus collectors. This is one reason why it is a highly endangered species in the wild today.[1] This cactus is found only in Brewster County, Texas, in the United States, where there are three populations remaining near Marathon.[1][2] The cactus is limited to one outcrop in the Marathon Uplift, where it grows in rocky novaculite soils.[3][4] It was added to the endangered species list in 1979.[4]
Description
The cactus' stem is mostly beneath the soil surface with the above ground portion a spiny spherical or columnar body no more than 3 centimeters long. It can become larger in cultivation. The longest spines are about half a centimeter long. They are flattened in shape and the tips are not needle-sharp but slightly more rounded. In color they may be tinged tan, yellow, gray, or pink, and sometimes the tips are darker. The flower is roughly 1.5 centimeters long and bright pink to magenta or rose-purple in color.[2] It may be larger than the cactus body itself.[1] The green or yellowish fruit is no more than 6 millimeters long.
Distribution and habitat
The cactus' natural habitat is the Chihuahuan desert scrub, where it grows in mats of Selaginella in rock crevices.[2] It occurs in association with Echinocereus viridiflorus var. davisii, another cactus variety on the endangered species list.[4]
This cactus is tiny, interesting, and attractive, and it is a favorite of cactus hobbyists.[5] Collectors have long visited the small patch of land where the cactus occurs. Much of this land is privately owned and not open to surveys or visitors, and the exact abundance of the cactus is not known.[3] The cactus was once found on a ranch in the area, but the owner of the ranch allowed cactus collectors to scour the land for specimens and this species was extirpated from the site.[4] It has also been eliminated from easy-to-reach highway margins where it used to grow.[5]
The plant is propagated by growers today.[3]
References
- ^ a b c Escobaria minima. The Nature Conservancy.
- ^ a b c Escobaria minima. Flora of North America.
- ^ a b c Escobaria minima. Center for Plant Conservation.
- ^ a b c d USFWS. Determination that Echinocereus viridiflorus var. davisii and Coryphantha minima are endangered species. Federal Register November 7, 1979.
- ^ a b Escobaria minima. Texas Parks and Wildlife.
External links
- USDA Plants Profile — Escobaria minima
Media related to Escobaria minima at Wikimedia Commons
