Praecereus saxicola

Praecereus saxicola
	Praecereus saxicola
Systematics
Order :	Clove-like (Caryophyllales)
Family :	Cactus family (Cactaceae)
Subfamily :	Cactoideae
Tribe :	Cereeae
Genre :	Praecereus
Type :	Praecereus saxicola
Scientific name
	Praecereus saxicola
	( Morong ) NPTaylor

Praecereus saxicola is a species of plant in the genus Praecereus from the cactus family(Cactaceae). The specific epithet describes "growing on rocks".

description

Praecereus saxicola grows shrubby with sparsely to richly branched, upright to spreading , blue-green shoots 1.5 to 3 centimeters in diameter. There are 6 to 9 ribs . The 1 to needle-like central spines are up to 1.5 centimeters long. The 6 to 9 needle radial spines are white and have a black tip. They are 2 to 6 millimeters long.

The greenish white flowers are up to 12 centimeters long. The fruits have a diameter of up to 3 centimeters.

Distribution, systematics and endangerment

Praecereus saxicola is widespread in southwest Brazil and northeast Argentina at altitudes of 300 to 900 meters.

The first description as Cereus saxicola was published in 1893 by Thomas Morong . Nigel Paul Taylor placed it in 1997 in the genus Praecereus . Synonyms include Cereus cavendishii Monv. (1839) and Cereus rhodoleucanthus K.Schum. (1899).

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. 549 .

Individual evidence

↑ Braun, PJ (2017): The cacti native to Mato Grosso do Sul. - cact. and. Sukk. 68 (3): 65-70.
↑ Braun, PJ (2017): An annotated list of species of the Cactaceae from Mato Grosso do Sul: Säulenkakteen. - cact. and. Sukk. 68 (7): 191-197.
^ Annals of the New York Academy of Sciences . Volume 7, 1893, p. 121.
↑ Cactaceae Consensus Initiatives . Number 3, 1997, p. 10.
↑ Praecereus saxicola in the IUCN Red List of Threatened Species 2013.2. Listed by: Kiesling, R., Oakley, L. & Pin, A., 2010. Retrieved January 5, 2014.

Web links

Commons : Praecereus saxicola - Collection of images, videos and audio files

[1] Braun, PJ (2017): The cacti native to Mato Grosso do Sul. - cact. and. Sukk. 68 (3): 65-70.

[2] Braun, PJ (2017): An annotated list of species of the Cactaceae from Mato Grosso do Sul: Säulenkakteen. - cact. and. Sukk. 68 (7): 191-197.

[3] Annals of the New York Academy of Sciences . Volume 7, 1893, p. 121.

[4] Cactaceae Consensus Initiatives . Number 3, 1997, p. 10.

[5] Praecereus saxicola in the IUCN Red List of Threatened Species 2013.2. Listed by: Kiesling, R., Oakley, L. & Pin, A., 2010. Retrieved January 5, 2014.