Sclerocactus Scheeri

Sclerocactus Scheeri
	Sclerocactus Scheeri
Systematics
Order :	Clove-like (Caryophyllales)
Family :	Cactus family (Cactaceae)
Subfamily :	Cactoideae
Tribe :	Cacteae
Genre :	Sclerocactus
Type :	Sclerocactus Scheeri
Scientific name
	Sclerocactus Scheeri
	( Salm-Dyck ) NPTaylor

Sclerocactus scheeri is a species of plant in the genus Sclerocactus from the cactus family(Cactaceae). The specific epithet honors theGerman trader and plant lover Frederick Scheer, who lives in Kew . English common names are "Fishhook Cactus", "Root Cactus" and "Twisted-Rib Cactus".

description

Sclerocactus scheeri grows individually with spherical to cylindrical, green to blue-green shoots that reach heights of 2.5 to 15 centimeters with diameters of 2.5 to 10 centimeters. There are about 13 ribs that are humped. The three to four strong central spines are grayish or whitish and 2 to 5 centimeters long. Some of them are flattened. The eleven to 18 spread, straight, needle-like radial spines are whitish or yellowish. They have a length of 8 to 10 millimeters.

fruit

The inconspicuous flowers are greenish and appear from the furrows of the areoles . They are 2 to 3 centimeters long and 1 to 3 centimeters in diameter. The fruits are green.

Distribution, systematics and endangerment

Sclerocactus scheeri is distributed in southern Texas and in the Mexican states of Coahuila , Nuevo León and Tamaulipas .

It was first described as Echinocactus Scheeri in 1850 by Joseph zu Salm-Reifferscheidt-Dyck . Nigel Paul Taylor placed it in 1987 in the genus Sclerocactus . Synonyms are Ancistrocactus Scheeri (Salm-Dyck) Britton & Rose , Ferocactus Scheeri (Salm-Dyck) NPTaylor and Pediocactus Scheeri (Salm-Dyck) Halda .

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. 584 .

Individual evidence

↑ Urs Eggli, Leonard E. Newton: Etymological Dictionary of Succulent Plant Names . Birkhäuser 2004, ISBN 3-540-00489-0 , p. 214.
↑ Cacteae in horto Dyckensi cultae . 1850, p. 155.
↑ Bradleya . Volume 5, 1987, p. 94.
↑ Sclerocactus Scheeri in the Red List of Threatened Species of the IUCN 2013.2. Posted by: Heil, K. & Terry, M., 2009. Retrieved December 30, 2013.

Web links

Commons : Sclerocactus scheeri - collection of images, videos and audio files

photo

[1] Urs Eggli, Leonard E. Newton: Etymological Dictionary of Succulent Plant Names . Birkhäuser 2004, ISBN 3-540-00489-0 , p. 214.

[2] Cacteae in horto Dyckensi cultae . 1850, p. 155.

[3] Bradleya . Volume 5, 1987, p. 94.

[4] Sclerocactus Scheeri in the Red List of Threatened Species of the IUCN 2013.2. Posted by: Heil, K. & Terry, M., 2009. Retrieved December 30, 2013.