Stenocereus pruinosus

Stenocereus pruinosus
	Stenocereus pruinosus
Systematics
Order :	Clove-like (Caryophyllales)
Family :	Cactus family (Cactaceae)
Subfamily :	Cactoideae
Tribe :	Pachycereeae
Genre :	Stenocereus
Type :	Stenocereus pruinosus
Scientific name
	Stenocereus pruinosus
	( Otto ex Pfeiff. ) Buxb.

Stenocereus pruinosus is a species of plant in the genus Stenocereus in the cactus family(Cactaceae). Spanish common names are "Pitaya", "Pitayo" and "Pitayo de Octubre".

description

Stenocereus pruinosus grows tree-like with sparsely to richly branched shoots and reaches heights of 4 to 5 meters. Usually a clear trunk is formed. The blue, dark green shoots have a diameter of 8 to 12 centimeters. There are six (rarely five to eight) wavy ribs . The one to four greyish central spines are 2 to 3 centimeters (rarely up to 5 centimeters) long. The five to nine (rarely up to twelve) radiating radial spines are also grayish and usually shorter than 15 millimeters.

The funnel-shaped, white, up to 9 centimeters long flowers appear near the shoot tips. They open at night and stay open until the next day. The elongated, sometimes almost beaked green to red tinged fruits are 5 to 8 centimeters long and reach a diameter of 5 centimeters. The pulp is red.

Distribution, systematics and endangerment

Stenocereus pruinosus is distributed in the Mexican states of Chiapas , Guerrero , Oaxaca , Puebla , San Luis Potosí , Tamaulipas and Veracruz at altitudes of 800 to 1,900 m. It was first described as Echinocactus pruinosus in 1837 by Ludwig Georg Karl Pfeiffer . Franz Buxbaum placed the species in the genus Stenocereus in 1961 .

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. 603-604 .

Individual evidence

↑ Enumeratio Diagnostica Cactearum hucusque Cognitarum . Berlin 1837, p. 54, online
↑ Botanical Studies . Volume 12, Jena 1961, p. 101.
↑ Stenocereus pruinosus in the IUCN Red List of Threatened Species 2013.2. Posted by: Arreola, H., 2009. Retrieved January 26, 2014.

Web links

Commons : Stenocereus pruinosus - collection of images, videos and audio files

photos

[1] Enumeratio Diagnostica Cactearum hucusque Cognitarum . Berlin 1837, p. 54, online

[2] Botanical Studies . Volume 12, Jena 1961, p. 101.

[3] Stenocereus pruinosus in the IUCN Red List of Threatened Species 2013.2. Posted by: Arreola, H., 2009. Retrieved January 26, 2014.