Gymnocalycium hossei

Gymnocalycium hossei
Systematics
Order :	Clove-like (Caryophyllales)
Family :	Cactus family (Cactaceae)
Subfamily :	Cactoideae
Tribe :	Trichocereeae
Genre :	Gymnocalycium
Type :	Gymnocalycium hossei
Scientific name
	Gymnocalycium hossei
	( Haage ) A. Berger

Gymnocalycium hossei is a species of plant in the genus Gymnocalycium from the cactus family(Cactaceae). The specific epithet honors the German botanist Carl Curt Hosseus (1878–1950).

description

Gymnocalycium hossei usually grows individually with gray-green to bluish-green, flattened spherical to spherical shoots that reach heights of up to 9 centimeters with a diameter of 20 centimeters. The 13 to 19 ribs are quite wide. The single central spine turns gray with age. The seven to nine spread, bent back, initially brown radial spines turn gray with age and then have a darker tip. They are up to 1.5 inches long. One of them is facing downwards, the others are facing sideways.

The whitish to reddish pink flowers are occasionally tinged with brown. Your flower tube is short.

Distribution, systematics and endangerment

Gymnocalycium hossei is distributed in the Argentine provinces of Catamarca and La Rioja at altitudes of 500 to 1500 meters.

The first description as Echinocactus hossei took place in the 105th year of the cactus price list from FA Haage junior, Erfurt, in 1927 by Friedrich Adolph Haage . Alwin Berger placed the species in the genus Gymnocalycium two years later .

In the Red List of Threatened Species of the IUCN , the species is listed as " Least Concern (LC) ". H. listed as not 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.
↑ Alwin Berger: Cacti . 1929, p. 341.
↑ Gymnocalycium hossei in the IUCN Red List of Threatened Species 2013.2. Posted by: Demaio, P., Perea, M. & Trevisson, M., 2010. Retrieved March 13, 2014.

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

[2] Alwin Berger: Cacti . 1929, p. 341.

[3] Gymnocalycium hossei in the IUCN Red List of Threatened Species 2013.2. Posted by: Demaio, P., Perea, M. & Trevisson, M., 2010. Retrieved March 13, 2014.