Escobaria hesteri

Escobaria hesteri
	Escobaria hesteri
Systematics
Order :	Clove-like (Caryophyllales)
Family :	Cactus family (Cactaceae)
Subfamily :	Cactoideae
Tribe :	Cacteae
Genre :	Escobaria
Type :	Escobaria hesteri
Scientific name
	Escobaria hesteri
	( Y.Wright ) Buxb.

Escobaria hesteri is a species of plant in the genus Escobaria from the cactus family(Cactaceae). The specific epithet hesteri honors the American cactus lover John Pinckney Hester from Fredonia , one of the leading explorers of the Big Bend area .

description

Escobaria hesteri has many shoots, is often richly branched and forms cushions. The ovoid to spherical shoots reach heights of growth of 2.5 to 5 centimeters and diameters of 2.5 to 3.5 centimeters. Their wide and noticeable warts are 7 to 12 millimeters long. The one to four white central spines resemble the radial spines and have lengths of up to 1.5 centimeters. The twelve to 22 white radial spines are 0.7 to 1.5 inches long.

The light pink to light purple flowers have a diameter of 1.5 centimeters and are up to 2.3 centimeters long. The green to yellowish, almost spherical fruits are 6 to 7 millimeters long. As they mature, they become dry.

Distribution, systematics and endangerment

Escobaria hesteri is in the United States in Brewster County in the state of Texas spread.

The first description as Coryphantha hesteri by Ysabel Wright was published in 1932. Franz Buxbaum placed the species in the genus Escobaria in 1951 .

Further nomenclature synonyms are Escobesseya hesteri (Y.Wright) Hester (1945, nom. Inval. ICBN -Article 34.1) and Mammillaria hesteri (Y.Wright) D.Weniger (1970, nom. Inval. ICBN -Article 34.1).

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. 274 .

Individual evidence

↑ Urs Eggli, Leonard E. Newton: Etymological Dictionary of Succulent Plant Names . Springer, Berlin / Heidelberg 2010, ISBN 978-3-642-05597-3 , p. 108.
↑ Ysabel Wright: Coryphantha hesteri, sp. nov. In: Cactus and Succulent Journal . Volume 4, Number 5, Cactus and Succulent Society of America 1932, pp. 273-274.
^ Franz Buxbaum: The phylogeny of the North American chinocacteen. Trib. Euechinocactinae F. Buxb. In: Austrian Botanical Journal . Volume 98, Numbers 1-2, 1951, p. 78.
↑ Escobaria hesteri in the IUCN Red List of Threatened Species 2013.2. Posted by: Heil, K. & Terry, M., 2009. Retrieved December 17, 2013.

Web links

Commons : Escobaria hesteri - Collection of images, videos and audio files

[1] Urs Eggli, Leonard E. Newton: Etymological Dictionary of Succulent Plant Names . Springer, Berlin / Heidelberg 2010, ISBN 978-3-642-05597-3 , p. 108.

[2] Ysabel Wright: Coryphantha hesteri, sp. nov. In: Cactus and Succulent Journal . Volume 4, Number 5, Cactus and Succulent Society of America 1932, pp. 273-274.

[3] Franz Buxbaum: The phylogeny of the North American chinocacteen. Trib. Euechinocactinae F. Buxb. In: Austrian Botanical Journal . Volume 98, Numbers 1-2, 1951, p. 78.

[4] Escobaria hesteri in the IUCN Red List of Threatened Species 2013.2. Posted by: Heil, K. & Terry, M., 2009. Retrieved December 17, 2013.