Gymnocalycium horstii

Gymnocalycium horstii
	Gymnocalycium horstii
Systematics
Order :	Clove-like (Caryophyllales)
Family :	Cactus family (Cactaceae)
Subfamily :	Cactoideae
Tribe :	Trichocereeae
Genre :	Gymnocalycium
Type :	Gymnocalycium horstii
Scientific name
	Gymnocalycium horstii
	Buining

Gymnocalycium horstii is a species of plant in the genus Gymnocalycium from the cactus family(Cactaceae). The specific epithet honors the Brazilian cactus collector Leopoldo Horst (1918–1987).

description

Gymnocalycium horstii initially grows individually and later forms groups with bright green, spherical shoots that reach heights of growth of up to 20 centimeters and the same diameter. The five to six ribs are rounded and grooved across. The usually five straight to slightly curved, yellowish white thorns are up to 3 inches long. One of them is facing downwards, the others are facing sideways.

The cream-white to light purple-pink flowers reach a length of up to 11 centimeters and the same diameter. The blue-green fruits are egg-shaped.

Distribution, systematics and endangerment

Gymnocalycium horstii is distributed in the Brazilian state of Rio Grande do Sul at altitudes over 300 meters.

It was first described in 1970 by Albert Frederik Hendrik Buining .

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. 317 .

Individual evidence

↑ Urs Eggli, Leonard E. Newton: Etymological Dictionary of Succulent Plant Names . Birkhäuser 2004, ISBN 3-540-00489-0 , p. 111.
↑ Pierre Braun: Leopoldo Horst - 65 years - , In: Kakteen und other succulents . Volume 34, Number 3, 1983, pp. 65-66.
↑ Cacti and other succulents . Volume 21, Number 9, 1970, pp. 162-165.
↑ Gymnocalycium horstii in the IUCN Red List of Threatened Species 2013.2. Posted by: Larocca, J. & Machado, M., 2010. Retrieved March 13, 2014.

Web links

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

[1] Urs Eggli, Leonard E. Newton: Etymological Dictionary of Succulent Plant Names . Birkhäuser 2004, ISBN 3-540-00489-0 , p. 111.

[2] Pierre Braun: Leopoldo Horst - 65 years - , In: Kakteen und other succulents . Volume 34, Number 3, 1983, pp. 65-66.

[3] Cacti and other succulents . Volume 21, Number 9, 1970, pp. 162-165.

[4] Gymnocalycium horstii in the IUCN Red List of Threatened Species 2013.2. Posted by: Larocca, J. & Machado, M., 2010. Retrieved March 13, 2014.