Aztec ritteri

Aztec ritteri
Aztec ritteri
Systematics
Order : Clove-like (Caryophyllales) Family : Cactus family (Cactaceae) Subfamily : Cactoideae Tribe : Cacteae Genre : Aztec Type : Aztec ritteri
Scientific name
Aztec ritteri
( Boed. ) Boed.

Flowers of Aztekium ritteri

Aztekium ritteri is a species of the genus Aztekium in the cactus family(Cactaceae). The specific epithet ritteri honors the German cactus specialist Friedrich Ritter .

description

Aztekium ritteri initially grows individually with olive-green, almost spherical to spherical bodies that later sprout and form groups. They reach heights of 1 to 3 centimeters and a diameter of 2 to 6 centimeters. The 6 to 11 ribs , rounded at the edges, have numerous folds on their flanks. The ribs are 5 to 9 millimeters high and 3 to 10 millimeters wide. The often short-lived one or two thorns are often bent or twisted.

The white flowers have a more or less pink central stripe and reach a diameter of 7 to 14 millimeters.

Systematics, distribution and endangerment

Aztekium ritteri is widespread in the Sierra Madre Oriental in the Mexican state of Nuevo León , where it grows on limestone and gypsum rocks.

The first description as Echinocactus ritteri by Friedrich Bödeker was published in 1928. A year later, Bödeker placed them in the genus Aztekium, which he had newly established .

Aztekium ritteri is listed in Appendix I of the Washington Convention on Endangered Species . In the Red List of Threatened Species of the IUCN , the species is listed as " Least Concern (LC) ". H. classified as not endangered in nature.

proof

literature

• Edward F. Anderson : The Great Cactus Lexicon . Eugen Ulmer KG, Stuttgart 2005, ISBN 3-8001-4573-1 , p. 90 .

Individual evidence

1. ↑ Urs Eggli, Leonard E. Newton: Etymological Dictionary of Succulent Plant Names . Springer, Berlin / Heidelberg 2010, ISBN 978-3-642-05597-3 , p. 204.
2. ^ Journal of Succulents . Volume 3, Berlin 1928, p. 305.
3. ↑ Monthly of the German Cactus Society . Volume 1, 1929, p. 52.
4. ↑ Aztekium ritteri in the endangered Red List species the IUCN 2011. Posted by Fitz Maurice, WA & Fitz Maurice, B., 2002. Retrieved on 5 October 2011th

Web links

Commons : Aztekium ritteri  - album with pictures, videos and audio files