Acharagma aguirreanum

Acharagma aguirreanum
	Acharagma aguirreanum
Systematics
Order :	Clove-like (Caryophyllales)
Family :	Cactus family (Cactaceae)
Subfamily :	Cactoideae
Tribe :	Cacteae
Genre :	Acharagma
Type :	Acharagma aguirreanum
Scientific name
	Acharagma aguirreanum
	( Glass & RAFoster ) Glass

Acharagma aguirreanum is a species of plant in the genus Acharagma from the cactus family(Cactaceae). Thespecific epithet aguirreanum honors the Mexican cactus specialist Gustavo Aguirre Benaides (* 1915) from Parras de la Fuente .

description

Acharagma aguirreanum usually grows individually with spherical to depressed spherical, soft plant bodies. It is medium green to purple in color and is up to 5 centimeters high and 5 to 7 centimeters in diameter. The fleshy warts are somewhat pliable and can grow up to 0.5 centimeters. Two or more central spines , which are difficult to distinguish from the radial spines , are formed. The 13 to 16 radial spines are often in two rows and are 0.8 to 1.5 centimeters long.

The yellowish to reddish yellow flowers are up to 1.8 centimeters long and up to 2 centimeters in diameter. The greenish purple fruits are up to 1.2 centimeters long and 0.35 centimeters in diameter.

Systematics, distribution and endangerment

Acharagma aguirreanum is distributed in Mexico in the state of Coahuila at the western end of the Sierra de la Paila .

It was first described in 1972 as Gymnocactus aguirreanus by Charles Edward Glass and Robert Alan Foster . In 1997 Charles Edward Glass combined the species to form the new genus Acharagma .

Synonyms are the following described species:
Gymnocactus aguirreanus Glass & RAFoster (1972), Thelocactus aguirreanus (Glass & RAFoster) Bravo (1980) and Escobaria aguirreanus (Glass & RAFoster) NPTaylor (1983).

In the Red List of Threatened Species of IUCN is Acharagma aguirreanum as " Critically Endangered ", d. H. classified critically endangered.

proof

literature

Edward F. Anderson : The Great Cactus Lexicon . Eugen Ulmer KG, Stuttgart 2005, ISBN 3-8001-4573-1 , p. 70 .

Individual evidence

↑ Urs Eggli, Leonard E. Newton: Etymological Dictionary of Succulent Plant Names . Springer, Berlin / Heidelberg 2010, ISBN 978-3-642-05597-3 , p. 4.
^ C. Glass, R. Foster: Gymnocactus aguirreanus: a new species from southern Coahuila, Mexico . In: Cactus and Succulent Journal . Vol. 44, No. 2, Los Angeles 1972, pp. 80-81.
↑ Guía para la Identificación de Cactáceas Amenazadas de México , vol. 1, 1997.
↑ Acharagma aguirreanum in the Red List of Threatened Species of the IUCN 2020.2. Accessed August 21, 2020.

Web links

Commons : Acharagma aguirreanum - collection of images, videos and audio files

Description on the sides of the Botanical Garden Santa Ana (Engl.)

[1] Urs Eggli, Leonard E. Newton: Etymological Dictionary of Succulent Plant Names . Springer, Berlin / Heidelberg 2010, ISBN 978-3-642-05597-3 , p. 4.

[2] C. Glass, R. Foster: Gymnocactus aguirreanus: a new species from southern Coahuila, Mexico . In: Cactus and Succulent Journal . Vol. 44, No. 2, Los Angeles 1972, pp. 80-81.

[3] Guía para la Identificación de Cactáceas Amenazadas de México , vol. 1, 1997.

[4] Acharagma aguirreanum in the Red List of Threatened Species of the IUCN 2020.2. Accessed August 21, 2020.