Gymnocalycium denudatum

Gymnocalycium denudatum
	Gymnocalycium denudatum
Systematics
Order :	Clove-like (Caryophyllales)
Family :	Cactus family (Cactaceae)
Subfamily :	Cactoideae
Tribe :	Trichocereeae
Genre :	Gymnocalycium
Type :	Gymnocalycium denudatum
Scientific name
	Gymnocalycium denudatum
	( Link & Otto ) Whistle. ex mediator

Gymnocalycium denudatum is a species of plant in the genus Gymnocalycium from the cactus family(Cactaceae). The specific epithet denudatum means 'denudatus: bared, naked'.

description

Gymnocalycium denudatum grows individually with glossy dark green, depressed spherical to spherical shoots , which reach heights of 2 to 3 centimeters with a diameter of 6 to 8 centimeters. The five to eight flat ribs are barely humped. There are only a few areoles per rib on them . The three to five slightly twisted, whitish-yellow thorns lying on the shoot surface are 1 to 1.5 centimeters long.

The shiny, pure white flowers are up to 5 centimeters long and 7 centimeters in diameter. The green fruits are elongated.

The type is very variable.

Distribution, systematics and endangerment

Gymnocalycium denudatum is distributed in Brazil , Uruguay , Argentina and probably Paraguay at altitudes of up to 500 meters.

It was first described as Echinocactus denudatus in 1828 by Heinrich Friedrich Link and Christoph Friedrich Otto . Ludwig Mittler placed the species in the genus Gymnocalycium in 1844 .

In the Red List of Threatened Species of IUCN is the species as " Endangered (EN) ," d. H. listed as endangered.

proof

literature

Edward F. Anderson : The Great Cactus Lexicon . Eugen Ulmer KG, Stuttgart 2005, ISBN 3-8001-4573-1 , p. 315 .

Individual evidence

↑ HF Link, F. Otto: Icones Plantarum Rariorum Horti Regii Botanici Berolinensis cum descriptionibus et colendi ratione . Part 1, Berlin 1828, pp. 17–18 , plate 9 .
↑ Ludwig Mittler: Paperback for cactus lovers . Volume 2, Leipzig 1844, pp. 48, 124.
↑ Gymnocalycium denudatum in the IUCN Red List of Threatened Species 2013.2. Posted by: Larocca, J., Machado, M., Duarte, W. & Kiesling, R., 2010. Retrieved March 13, 2014.

Web links

Commons : Gymnocalycium denudatum - collection of images, videos and audio files

[1] HF Link, F. Otto: Icones Plantarum Rariorum Horti Regii Botanici Berolinensis cum descriptionibus et colendi ratione . Part 1, Berlin 1828, pp. 17–18 , plate 9 .

[2] Ludwig Mittler: Paperback for cactus lovers . Volume 2, Leipzig 1844, pp. 48, 124.

[3] Gymnocalycium denudatum in the IUCN Red List of Threatened Species 2013.2. Posted by: Larocca, J., Machado, M., Duarte, W. & Kiesling, R., 2010. Retrieved March 13, 2014.