Echinocereus rayonesensis

Echinocereus rayonesensis
	Echinocereus rayonesensis
Systematics
Order :	Clove-like (Caryophyllales)
Family :	Cactus family (Cactaceae)
Subfamily :	Cactoideae
Tribe :	Pachycereeae
Genre :	Echinocereus
Type :	Echinocereus rayonesensis
Scientific name
	Echinocereus rayonesensis
	NPTaylor

Echinocereus rayonesensis is a species of plant in the genus Echinocereus from the cactus family(Cactaceae). The specific epithet rayonesensis refers to the location of the species in the Mexican valley of Rayones .

description

Echinocereus rayonesensis has many shoots and branches at ground level. The upright, cylindrical shoots are 12 to 28 centimeters long and 2.5 to 4.5 centimeters in diameter. They are covered by the thick thorns. There are ten to fifteen ribs that are humped. The hair-like or slender thorns on them are glassy white to yellowish. The five to nine downward central spines are 3 to 5 centimeters long. The 15 to 25 radial spines, sometimes more, are 0.7 to 1.5 centimeters long.

The broad, funnel-shaped flowers are somewhat purple-magenta and have a white throat. They appear on the sides of the shoots, are 2.5 to 6 inches long and reach 2.8 to 6 inches in diameter. The elongated fruits are olive green to brown.

Distribution, systematics and endangerment

Echinocereus rayonesensis is distributed in the Mexican state of Nuevo León in the Rayones Valley.

The first description by Nigel Paul Taylor was published in 1988.

In the Red List of Threatened Species of the IUCN , the species is listed as " Least Concern (LC) ". H. listed as not endangered.

proof

literature

Edward F. Anderson : The Great Cactus Lexicon . Eugen Ulmer KG, Stuttgart 2005, ISBN 3-8001-4573-1 , p. 205 .

Individual evidence

↑ Urs Eggli, Leonard E. Newton: Etymological Dictionary of Succulent Plant Names . Springer, Berlin / Heidelberg 2010, ISBN 978-3-642-05597-3 , p. 200.
^ NP Taylor: Supplementary notes on Mexican Echinocereus (1) . In: Bradleya . Volume 6, 1988, pp. 75-76.
↑ Echinocereus rayonesensis in the Red List of Threatened Species of the IUCN 2013.2. Posted by: Fitz Maurice, B, Fitz Maurice, WA, Hernández, HM & Sotomayor, M., 2009. Retrieved January 20, 2014.

Web links

Commons : Echinocereus rayonesensis - collection of images, videos and audio files

photo

[1] Urs Eggli, Leonard E. Newton: Etymological Dictionary of Succulent Plant Names . Springer, Berlin / Heidelberg 2010, ISBN 978-3-642-05597-3 , p. 200.

[2] NP Taylor: Supplementary notes on Mexican Echinocereus (1) . In: Bradleya . Volume 6, 1988, pp. 75-76.

[3] Echinocereus rayonesensis in the Red List of Threatened Species of the IUCN 2013.2. Posted by: Fitz Maurice, B, Fitz Maurice, WA, Hernández, HM & Sotomayor, M., 2009. Retrieved January 20, 2014.