Difference between revisions of "Astrophytum asterias"
Cactées, 50. 1868.
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|common_names=Star-peyote;star cactus;se a-urchin cactus | |common_names=Star-peyote;star cactus;se a-urchin cactus | ||
| − | |basionyms={{Treatment/ID/ | + | |special_status={{Treatment/ID/Special_status |
| + | |code=F | ||
| + | |label=Illustrated | ||
| + | }}{{Treatment/ID/Special_status | ||
| + | |code=C | ||
| + | |label=Conservation concern | ||
| + | }} | ||
| + | |basionyms={{Treatment/ID/Basionym | ||
|name=Echinocactus asterias | |name=Echinocactus asterias | ||
|authority=Zuccarini | |authority=Zuccarini | ||
| + | |rank=species | ||
| + | |publication_title=Abh. Math.–Phys. Cl. Königl. Bayer. Akad. Wiss. | ||
| + | |publication_place=4(2): 13. 1845 | ||
}} | }} | ||
|synonyms= | |synonyms= | ||
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|distribution=Tex.;Mexico (Nuevo León;Tamaulipas). | |distribution=Tex.;Mexico (Nuevo León;Tamaulipas). | ||
|discussion=<p>Of conservation concern.</p><!-- | |discussion=<p>Of conservation concern.</p><!-- | ||
| − | --><p>The vernacular name of Astrophytum asterias, star-peyote, reflects its superficial similarity to peyote, Lophophora williamsii, which has very soft, uniformly pale blue-green stems quite unlike the hard, speckled, almost shiny, green stem surface in A. asterias. Astrophytum asterias is extremely rare and localized north of Mexico, presently known only from Starr County, Texas.</p> | + | --><p>The vernacular name of <i>Astrophytum asterias</i>, star-peyote, reflects its superficial similarity to peyote, <i>Lophophora williamsii</i>, which has very soft, uniformly pale blue-green stems quite unlike the hard, speckled, almost shiny, green stem surface in <i>A. asterias</i>. <i>Astrophytum asterias</i> is extremely rare and localized north of Mexico, presently known only from Starr County, Texas.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Astrophytum asterias | name=Astrophytum asterias | ||
| − | |||
|authority=(Zuccarini) Lemaire | |authority=(Zuccarini) Lemaire | ||
|rank=species | |rank=species | ||
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|publication title=Cactées, | |publication title=Cactées, | ||
|publication year=1868 | |publication year=1868 | ||
| − | |special status= | + | |special status=Illustrated;Conservation concern |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V4/V4_360.xml |
|subfamily=Cactaceae subfam. Cactoideae | |subfamily=Cactaceae subfam. Cactoideae | ||
|genus=Astrophytum | |genus=Astrophytum | ||
Latest revision as of 22:58, 5 November 2020
Plants flat-topped and usually flush with soil surface, or at most, above-ground portion low, dome-shaped. Stems shiny, sparsely speckled by bright white extra-areolar hair tufts 0.5–1 mm diam.; ribs usually 8, straight, very low, nearly flat or rounded; areoles 3–5 mm diam., with yellow or gray wool. Flowers opening widely, externally long woolly; inner tepals lanceolate, acuminate. 2n = 22.
Phenology: Flowering Mar–May and sporadically after summer rainfall.
Habitat: Grasslands, shrublands, Tamaulipan thorn scrub, gravelly slopes and deep soil of flats
Elevation: 20-100 m
Distribution
Tex., Mexico (Nuevo León, Tamaulipas).
Discussion
Of conservation concern.
The vernacular name of Astrophytum asterias, star-peyote, reflects its superficial similarity to peyote, Lophophora williamsii, which has very soft, uniformly pale blue-green stems quite unlike the hard, speckled, almost shiny, green stem surface in A. asterias. Astrophytum asterias is extremely rare and localized north of Mexico, presently known only from Starr County, Texas.
Selected References
None.