Gymnocalycium gibbosum

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

Gymnocalycium gibbosum is a species of plant in the genus Gymnocalycium from the cactus family(Cactaceae).

description

Gymnocalycium gibbosum usually grows individually with dark blue-green, spherical to short cylindrical shoots that reach a diameter of 10 to 12 centimeters. The twelve to 19 ribs are noticeably notched. The one to three central spines are often missing. The seven to 15 straight, stiff, light brown to almost black radial spines have a length of up to 3.5 centimeters.

The white or sometimes reddish flowers are up to 6 inches long. The dark green fruits are club-shaped.

Distribution, systematics and endangerment

Gymnocalycium gibbosum is distributed from central to southern Argentina at altitudes of 1000 meters.

It was first described as Cactus gibbosus in 1816 by Adrian Hardy Haworth . Ludwig Mittler placed the species in the genus Gymnocalycium in 1844 . Nomenclatory synonyms are Echinocactus gibbosus (Haw.) DC. (1828) and Cereus gibbosus (Haw.) Pfeiff. (1837).

The following subspecies are distinguished:

Gymnocalycium gibbosum subsp. gibbosum
Gymnocalycium gibbosum subsp. ferox (Labor. ex Rümpler) Papsch

One of the very numerous synonyms is Echinocactus gibbosus var. Fennellii F. Haage ex Quehl .

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. 316 .

Individual evidence

^ Botanical Register; Consisting of Colored Figures of Exotic Plants Cultivated in British Gardens; with their History and Mode of Treatment . Volume 2, London 1816, plate 137 (online) .
↑ Ludwig Mittler: Paperback for cactus lovers . Volume 2, Leipzig 1844, p. 124.
↑ Gymnocalycium gibbosum in the Red List of Threatened Species of the IUCN 2013.2. Posted by: Demaio, P. & Trevisson, M., 2010. Retrieved March 13, 2014.

Web links

Commons : Gymnocalycium gibbosum - album with pictures, videos and audio files

[1] Botanical Register; Consisting of Colored Figures of Exotic Plants Cultivated in British Gardens; with their History and Mode of Treatment . Volume 2, London 1816, plate 137 (online) .

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

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