Turbinicarpus saueri
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Turbinicarpus saueri |
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| ( Boed. ) V. John & Říha |
Turbinicarpus saueri is a species of plant in the genus Turbinicarpus from the cactus family(Cactaceae). The specific epithet honors Vierecks' brother-in-law and companionPaul Sauer.
description
Turbinicarpus saueri usually grows individually with gray to blue-green, somewhat depressed spherical bodies and mostly has fiber roots. The bodies covered with wool in the crown reach heights of 4 to 5 centimeters and a diameter of 4 to 5 centimeters. Their cusps, which are somewhat angular in outline and rounded on the top, are 2 to 5 millimeters high. There are 1 to 3 grayish black, protruding, slightly upwardly curved central spine with a length of 10 to 16 millimeters, which are covered with whitish scales at their base. The radial spines radiating from 7 to 14 are white, get darker with age, are slender, more or less straight and 5 to 15 millimeters long.
The white flowers have a reddish central stripe. They are 1.5 to 2 centimeters long and have a diameter of 2 to 2.5 centimeters. The spherical to elongated, whitish brown fruits are 4 to 7 millimeters long and reach a diameter of 3 to 5 millimeters.
Systematics, distribution and endangerment
Turbinicarpus saueri is common in the Mexican states of Tamaulipas and Nuevo León . It was first described as Echinocactus saueri in 1928 by Friedrich Bödeker . Václav John and Jan Říha (* 1947) placed them in the genus Turbinicarpus in 1983 .
Synonyms are Gymnocactus saueri (Boed.) Backeb. , Pediocactus saueri (Boed.) Halda , Thelocactus saueri (Boed.) Borg , Neolloydia saueri (Boed.) FMKnuth and Turbinicarpus saueri subsp. nelissae Halda & Panar.
Turbinicarpus saueri is listed in Appendix I of the Washington Convention on Endangered Species . In the Red List of Threatened Species of IUCN is it as " Vulnerable (VU) , d". H. classified as endangered. The no longer accepted subspecies Turbinicarpus saueri subsp. nelissae was classified Critically Endangered (CR) in 2002 . In the 2009 update, the subspecies was not reassessed and was removed from the red list.
proof
literature
- Edward F. Anderson : The Great Cactus Lexicon . Eugen Ulmer KG, Stuttgart 2005, ISBN 3-8001-4573-1 , p. 634 .
Individual evidence
- ^ Journal of Succulents . Volume 3, p. 362, Berlin 1928
- ↑ Kaktusy Volume 19, No. 1, p. 22, Brno 1983
- ↑ Turbinicarpus saueri in the IUCN Red List of Threatened Species 2013.2. Posted by: Sotomayor, M. & Smith, M., 2009. Retrieved December 2, 2013.
