Cleistocactus ritteri
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Copy from the Botanical Garden Munich-Nymphenburg |
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| Cleistocactus ritteri | ||||||||||||
| Backeb. |
Cleistocactus ritteri is a species of plant in the genus Cleistocactus from the cactus family(Cactaceae). The specific epithet ritteri honors the German cactus specialist Friedrich Ritter .
description
Cleistocactus ritteri grows shrubby with more or less upright, bright green shoots branching at the base and reaches heights of up to 1 meter with diameters of 2 to 3 centimeters. There are 12 to 16 ribs . The brown areoles on it later turn white. The 5 yellowish central spines are up to 10 millimeters long. The up to 30 fine radial spines are white.
The tubular, greenish-yellow to lemon-yellow flowers are directed slightly downwards and hardly curved. They are up to 4 inches long. The spherical, yellow fruits reach a diameter of up to 1.5 centimeters.
Distribution, systematics and endangerment
Cleistocactus ritteri is distributed in the Bolivian department of La Paz in the Yungas at altitudes of 1000 to 1100 meters. It was first described in 1959 by Curt Backeberg .
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. 124 .
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.
- ↑ Cacti and other succulents . Volume 10, Number 11, 1959, p. 163.
- ↑ Cleistocactus ritteri in the IUCN Red List of Threatened Species 2013.2. Posted by: Lowry, M., 2010. Retrieved February 22, 2014.
