Turbinicarpus viereckii

Turbinicarpus viereckii
	Turbinicarpus viereckii
Systematics
Order :	Clove-like (Caryophyllales)
Family :	Cactus family (Cactaceae)
Subfamily :	Cactoideae
Tribe :	Cacteae
Genre :	Turbinicarpus
Type :	Turbinicarpus viereckii
Scientific name
	Turbinicarpus viereckii
	( Werderm. ) V. John & Říha

Turbinicarpus viereckii ssp. neglectus, LAU1159, Sierra Salamanca, Tamaulipas

Turbinicarpus viereckii, Los Ebanos, Tamaulipas

Turbinicarpus viereckii is a species of plant in the genus Turbinicarpus from the cactus family(Cactaceae). The specific epithet honors the discoverer Hans Wilhelm Viereck .

description

Turbinicarpus viereckii grows individually or in groups with blue-green, spherical to spherical-cylindrical bodies and has fiber roots. The bodies, which are covered in white at the top, reach heights of 2 to 7 centimeters and a diameter of 3 to 6.5 centimeters. Their more or less conical humps are 5 to 6 millimeters high. There are 3 to 5 protruding, straight, slender central spines with a length of 7 to 20 millimeters, which are white with a darker tip. The radial spines radiating from 13 to 22 are white, straight and 8 to 13 millimeters long.

The flowers are either magenta with a white throat or completely white. They are 1.5 to 3 centimeters long and 1.5 to 3 centimeters in diameter. The slightly elongated, brownish green fruits are 5 to 8 millimeters long.

Systematics, distribution and endangerment

Turbinicarpus viereckii is distributed in the Mexican states of Tamaulipas , Nuevo León and San Luis Potosí . It was first described as Echinocactus viereckii in 1931 by Erich Werdermann . Václav John and Jan Říha (* 1947) placed them in the genus Turbinicarpus in 1983 . The following subspecies are distinguished:

Turbinicarpus viereckii subsp. square ii
Turbinicarpus viereckii subsp. major (Glass & RAFoster) Glass
Turbinicarpus viereckii subsp. neglectus D. Donati & Zanov.
Turbinicarpus viereckii subsp. reconditus Labhart

Synonyms are Gymnocactus viereckii (Werderm.) Backeb. , Pediocactus viereckii (Werderm.) Halda , Thelocactus viereckii (Werderm.) Borg and Neolloydia viereckii (Werderm.) FMKnuth .

Turbinicarpus viereckii is listed in Appendix I of the Washington Convention on Endangered Species . In the Red List of Threatened Species of IUCN from 2002, she was as " Near Threatened (NT) ", d. H. classified as low risk. In 2013 the species is known as " Least Concern (LC) ", i. H. not endangered.

proof

literature

Edward F. Anderson : The Great Cactus Lexicon . Eugen Ulmer KG, Stuttgart 2005, ISBN 3-8001-4573-1 , p. 636 .

Individual evidence

↑ Monthly of the German Cactus Society . Volume 3, 1931, p. 175.
↑ Kaktusy . Volume 19, No. 1, Brno 1983, p. 22.
↑ Davide Donati, Carlo Zanovello: Conoscere, capire, coltivare i Turbinicarpus-Rapicactus . Cactus Trentino Sudtirol, 2004, ISBN 8890139102 , p. 184.
↑ Daniel Labhart: A new subspecies of Turbinicarpus viereckii (Werderm.) John & Říha: T. viereckii subsp. reconditus D. Labhart subsp. nov. In: Piante Grasse . Volume 32, Number 1, 2012, pp. 2-6.
↑ Turbinicarpus viereckii in the Red List of Threatened Species of the IUCN 2013.2. Listed by: Fitz Maurice, WA & Fitz Maurice, B, 2009. Retrieved December 30, 2013.

Web links

Commons : Turbinicarpus viereckii - Collection of images, videos and audio files

[1] Monthly of the German Cactus Society . Volume 3, 1931, p. 175.

[2] Kaktusy . Volume 19, No. 1, Brno 1983, p. 22.

[3] Davide Donati, Carlo Zanovello: Conoscere, capire, coltivare i Turbinicarpus-Rapicactus . Cactus Trentino Sudtirol, 2004, ISBN 8890139102 , p. 184.

[4] Daniel Labhart: A new subspecies of Turbinicarpus viereckii (Werderm.) John & Říha: T. viereckii subsp. reconditus D. Labhart subsp. nov. In: Piante Grasse . Volume 32, Number 1, 2012, pp. 2-6.

[5] Turbinicarpus viereckii in the Red List of Threatened Species of the IUCN 2013.2. Listed by: Fitz Maurice, WA & Fitz Maurice, B, 2009. Retrieved December 30, 2013.