Echinocereus longisetus

{{Short description|Species of cactus}}

{{Speciesbox

| image =Echinocereus longisetus subsp. delaetii (3497836766).jpg

| image_caption =

|status = LC

|status_system = IUCN3.1

|status_ref ={{cite iucn |author=Fitz Maurice, B |author2=Sotomayor, M. |author3=Fitz Maurice, W.A. |author4=Hernández, H.M. |author5=Smith, M. |year=2017 |amends=2013 |title=Echinocereus longisetus |page=e.T152376A121471456 |doi=10.2305/IUCN.UK.2017-3.RLTS.T152376A121471456.en}}

| taxon = Echinocereus longisetus

| authority = (Engelm.) Lem.

| synonyms =

|range_map =Echinocereus longisetus range.svg

}}

Echinocereus longisetus is a species of Echinocereus found in Mexico.{{BioRef|powo | title=Echinocereus longisetus (Engelm.) Lem. |id=132384-1 | access-date=2024-05-04}}

Description

Echinocereus longisetus branches from the base, forming large clusters up to 1 meter in diameter. The upright cylindrical stems are {{cvt|30 to 50|cm}} long and {{cvt|5 to 8|cm}} in diameter, with 11 to 24 low, tuberculated ribs. The plant has four to nine central spines that are straight or curly, whitish to brownish, and {{cvt|1 to 10|cm}} long. It also has 15 to 20 white marginal spines, each {{cvt|1 to 2|cm}} long.

The funnel-shaped flowers are slightly pinkish-purple and appear near the base of the stems, not at the tips. They are {{cvt|5 to 7|cm}} long and {{cvt|6 to 7|cm}} in diameter.{{cite book | last1=Anderson | first1=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=199}}{{cite web | title=Echinocereus longisetus | website=

LLIFLE | date=2013-08-04 | url=http://www.llifle.com/Encyclopedia/CACTI/Family/Cactaceae/8281/Echinocereus_longisetus | ref={{sfnref |

LLIFLE | 2013}} | access-date=2024-06-24}}

=Subspecies=

There are two recognized subspecies:

class="wikitable"
ImageScientific nameDistribution
120pxEchinocereus longisetus subsp. delaetii (Gürke) N.P.TaylorMexico (S. Coahuila)
120pxEchinocereus longisetus subsp. longisetusMexico (CN. Coahuila)

Distribution

Echinocereus longisetus is found in the Mexican states of Coahuila and Nuevo León.

File:Echinocereus longisetus (5730690128).jpg|Plant growing in Viesca, Coahuila

File:Echinocereus longisetus (5730708686).jpg|Habitat in Viesca, Coahuila

Taxonomy

Originally described as Cereus longisetus by George Engelmann in 1856, the specific epithet "longisetus" comes from the Latin words "longus" (long) and "-setus" (bristly), referring to its long, bristle-like spines.{{cite web | last=Arts | first=American Academy of | title=Proceedings of the American Academy of Arts and Sciences | publisher=Metcalf and Co | volume=v. 3 (1852-1857) | date=1852 | issn=0199-9818 | url=https://www.biodiversitylibrary.org/page/3100784 | access-date=2024-06-24}} Charles Lemaire reclassified it into the genus Echinocereus in 1868.{{cite book | last=Lemaire | first=C. | title=Les cactées: histoire, patrie, organes de végétation | publisher=Maison rustique | series=Bibliothèque du jardinier | year=1869 | url=https://books.google.com/books?id=Qu_WZxpub0oC&pg=PA57 | language=fr | access-date=2024-06-24 | page=57}}

References

{{Reflist}}