Parodia ritteri

Parodia ritteri
	Parodia ritteri
Systematics
Order :	Clove-like (Caryophyllales)
Family :	Cactus family (Cactaceae)
Subfamily :	Cactoideae
Tribe :	Notocacteae
Genre :	Parody
Type :	Parodia ritteri
Scientific name
	Parodia ritteri
	Buining

Parodia ritteri is a species of plant in the genus Parodia in the cactus family(Cactaceae). The specific epithet ritteri honors the German cactus specialist Friedrich Ritter .

description

Parodia ritteri grows individually. The green, initially spherical shoots later become cylindrical. They reach heights of growth of up to 50 centimeters and diameters of 8 to 10 centimeters. The 15 to 21 ribs, which are initially humped, flatten out later. The areoles on them are brownish to whitish. First a single pink to whitish central spine is formed. Later there are four that are difficult to distinguish from the radial spines. The ten to 14 slightly protruding pink to whitish radial spines are 1.4 to 4 centimeters long.

The blood-red to brownish-red or yellowish-red flowers reach lengths of 2.5 to 3.5 centimeters. Your pericarpel is covered with white wool. The scars are light yellow. The red fruits are 4 to 8 millimeters long and covered with long white wool. They are usually thicker than long. The fruits contain black seeds about 0.7 millimeters long and 0.5 millimeters wide, which are finely tuberous.

Distribution, systematics and endangerment

Parodia ritteri is common in the Bolivian departments of Chuquisaca , Potosí and Tarija at altitudes of 2200 to 3000 meters.

The first description by Albert Frederik Hendrik Buining was published in 1959. A nomenclature synonym is Bolivicactus ritter (F.Ritter) Doweld (2000). Numerous other synonyms are known.

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. 510 .

Individual evidence

↑ Urs Eggli, Leonard E. Newton: Etymological Dictionary of Succulent Plant Names . Springer, Berlin / Heidelberg 2010, ISBN 978-3-642-05597-3 , p. 204.
^ Succulenta 1959 . Number 2, 1959, pp. 17-20.
↑ Parodia ritteri in the IUCN Red List of Threatened Species 2013.2. Listed by: Lowry, M. & Carr, J., 2010. Retrieved January 19, 2014.

Web links

Commons : Parodia ritteri - 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. 204.

[2] Succulenta 1959 . Number 2, 1959, pp. 17-20.

[3] Parodia ritteri in the IUCN Red List of Threatened Species 2013.2. Listed by: Lowry, M. & Carr, J., 2010. Retrieved January 19, 2014.