Echinocereus rayonesensis
{{Short description|Species of cactus}}
{{Speciesbox
| image =Echinocereus rayonesensis 01.jpg
| image_caption =
| status = LC
| status_system=IUCN3.1
| taxon = Echinocereus rayonesensis
| authority = N.P.Taylor, 1988
| synonyms =
- Echinocereus parkeri subsp. rayonesensis {{au|(N.P.Taylor) D.Felix & W.Blum 2011}}
}}
Echinocereus rayonesensis is a species of cactus native to Mexico.{{cite web | title=Echinocereus rayonesensis N.P.Taylor | website=Plants of the World Online | url=https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:276252-2 | access-date=2024-06-24}}
Description
Echinocereus rayonesensis grows with many shoots and branches at ground level. The upright, cylindrical shoots are {{cvt|12 to 28|cm}} long and have a diameter of {{cvt|2.5 to 4.5|cm}}. They are hidden by the dense thorns. There are ten to 15 ribs that are tuberculated. The hair-like or slender thorns on them are glassy white to yellowish. The five to nine downward-facing central spines are {{cvt|3 to 5|cm}} long. The 15 to 25 radial spines, occasionally more, are {{cvt|0.7 to 1.5|cm}} long.
The broadly funnel-shaped flowers are somewhat purple-magenta in color and have a white throat. They appear on the sides of the shoots, are {{cvt|2.5 to 6|cm}} long and reach {{cvt|2.8 to 6|cm}} in diameter. The elongated fruits are olive green to brown.{{cite book | last=Anderson | first=Edward F. | last2=Eggli | first2=Urs | title=Das grosse Kakteen-Lexikon | publisher=Ulmer | publication-place=Stuttgart (Hohenheim) | date=2005 | isbn=3-8001-4573-1 | language=de | page=205}}
Distribution
Echinocereus rayonesensis is widespread in the Mexican state of Nuevo León in the Rayones Valley.
Taxonomy
The first description by Nigel Paul Taylor was published in 1988.{{cite journal | last=Taylor | first=N.P. | title=Supplementary notes on Mexican Echinocereus (1) | journal=Bradleya | volume=6 | issue=6 | date=1988 | issn=0265-086X | doi=10.25223/brad.n6.1988.a3 | pages=65–84}} The specific epithet "rayonesensis" refers to the occurrence of the species in the Mexican Valley of Rayones.
References
{{Reflist}}
External links
- {{Commons category-inline|Echinocereus rayonesensis|Echinocereus rayonesensis}}
- {{Wikispecies-inline|Echinocereus rayonesensis|Echinocereus rayonesensis}}
{{Taxonbar|from1=Q1280422}}