Pseudoacanthocereus brasiliensis

Pseudoacanthocereus brasiliensis
	Pseudoacanthocereus brasiliensis f. boreominarum
Systematics
Order :	Clove-like (Caryophyllales)
Family :	Cactus family (Cactaceae)
Subfamily :	Cactoideae
Tribe :	Pachycereeae
Genre :	Pseudoacanthocereus
Type :	Pseudoacanthocereus brasiliensis
Scientific name
	Pseudoacanthocereus brasiliensis
	( Britton & Rose ) F. Knight

Pseudoacanthocereus brasiliensis is a species of plant in the genus Pseudoacanthocereus from the cactus family(Cactaceae). The specific epithet refers to the origin from Brazil.

description

Pseudoacanthocereus brasiliensis grows richly branched with initially upright, later spread to prostrate, shiny, bright green shoots . There are 4 to 5 (rarely 2 to 8) thin, high and slightly wavy ribs . The small areoles are 2 to 4 centimeters apart. From them arise numerous needle-like, white thorns that have a darker tip and are up to 3 centimeters long.

The flowers are up to 12 to 19 centimeters long and have a diameter of 11 to 12 centimeters. The spherical fruits are initially green and later turn light yellow.

Distribution, systematics and endangerment

Pseudoacanthocereus brasiliensis is distributed in the Brazilian states of Bahia and Minas Gerais at altitudes of 40 to 700 m. The first description as Acanthocereus brasiliensis was published in 1920 by Nathaniel Lord Britton and Joseph Nelson Rose . Friedrich Ritter placed them in 1979 in the genus Pseudoacanthocereus .

Pseudoacanthocereus brasiliensis is in the endangered Red List species the IUCN as " Vulnerable (VU) ", d. H. endangered, classified.

proof

literature

Edward F. Anderson : The Great Cactus Lexicon . Eugen Ulmer KG, Stuttgart 2005, ISBN 3-8001-4573-1 , p. 549 .

Individual evidence

^ NL Britton , JN Rose : The Cactaceae. Descriptions and Illustrations of Plants of the Cactus Family . tape II . The Carnegie Institution of Washington, Washington 1920, p. 125 .
↑ Cacti in South America: Results of my 20 years of field research . Volume 1, 1979, p. 47.
↑ pseudoacanthocereus brasiliensis in the endangered Red List species the IUCN 2010 Posted by: Taylor, NP, 2002. Accessed April 18 of 2010.

Web links

Commons : Pseudoacanthocereus brasiliensis - collection of images, videos and audio files

[1] NL Britton , JN Rose : The Cactaceae. Descriptions and Illustrations of Plants of the Cactus Family . tape II . The Carnegie Institution of Washington, Washington 1920, p. 125 .

[2] Cacti in South America: Results of my 20 years of field research . Volume 1, 1979, p. 47.

[3] seudoacanthocereus brasiliensis in the endangered Red List species the IUCN 2010 Posted by: Taylor, NP, 2002. Accessed April 18 of 2010.