Gymnocalycium andreae
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Gymnocalycium andreae |
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| ( Boed. ) Backeb. |
Gymnocalycium andreae is a species of plant in the genus Gymnocalycium from the cactus family(Cactaceae). The specific epithet honors the honorary member of the German Cactus Society , the German cactus specialist and cactus expert Wilhelm Andreae (1895-1970) from Bensheim.
description
Gymnocalycium andreae often forms groups with diameters of up to 15 centimeters and more. The blue-green to blue-gray shoots are spherical, depressed spherical or sometimes short columnar and reach heights of up to 5 centimeters with a diameter of 6 centimeters. A long beet root is formed. The roughly eight to twelve rounded ribs are clearly grooved across. The single central spine , sometimes missing, sometimes up to three, is dark brown, slightly bent upwards to protruding and up to 1.3 centimeters long. The approximately six to ten, thin, spread out to comb-like lying or protruding radial spines are 0.8 to 1.5 centimeters (rarely up to 4 centimeters) long. They are whitish and have a darker base.
The pale to bright sulfur yellow or white to light pink flowers have a diameter of 4 to 5 centimeters and are up to 4 centimeters long. The blue-green fruits are spherical to cylindrical and reach a diameter of up to 1.2 centimeters.
Distribution, systematics and endangerment
Gymnocalycium andreae is distributed in the Argentine provinces of Córdoba and San Luis at altitudes of 1500 to 2700 meters.
It was first described as Echinocactus andreae in 1930 by Friedrich Bödeker . Curt Backeberg placed the species in the genus Gymnocalycium in 1936
The following subspecies and varieties are distinguished:
- Gymnocalycium andreae subsp. andreae
- Gymnocalycium andreae subsp. carolinense Neuhuber
- Gymnocalycium andreae subsp. matznetteri intoxication
- Gymnocalycium andreae var. Fechseri H.Till
- Gymnocalycium andreae var. Longispinum Rausch
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. 310 .
Individual evidence
- ↑ Urs Eggli, Leonard E. Newton: Etymological Dictionary of Succulent Plant Names . Birkhäuser 2004, ISBN 3-540-00489-0 , p. 10.
- ↑ Monthly of the German Cactus Society . Volume 2, 1930, p. 210.
- ^ Curt Backeberg , Frederik Marcus Knuth : Cactus ABC. En haandbog for fagfolk and amatører . Copenhagen 1936, p. 285 .
- ↑ Gymnocalycium andreae in the IUCN Red List of Threatened Species 2013.2. Posted by: Trevisson, M., Demaio, P., Kiesling, R. & Lowry, M., 2010. Retrieved March 13, 2014.
