Oreocereus trollii
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Oreocereus trollii |
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| ( Kupper ) Backeb. |
Oreocereus trollii is a species of plant in the genus Oreocereus in the cactus family(Cactaceae). The species name honors the plant geographer Carl Troll .
description
Oreocereus trollii grows with shoots branching from the base, forms small groups and reaches heights of up to 50 centimeters. The short columnar, light green shoots reach a diameter of 6 to 10 centimeters and are densely wrapped in wool. There are 15 to 25 strongly humped ribs . The white areoles on it are covered with wool up to 7 centimeters long. The thorns emerging from it are yellow, reddish or brown. The strong, awl three to five central spines are up to 5 centimeters long and darker in color at their tips. The 10 to 15 radial spines are bristle-like.
The pink to carmine-red flowers are up to 4 inches long. The fruits are spherical.
Distribution, systematics and endangerment
Oreocereus trollii is distributed in the Bolivian departments of Chuquisaca , Oruro , Potosí and Tarija as well as in the Argentine province of Jujuy in the Puna vegetation at altitudes of 3000 to 4000 meters.
It was first described as Cereus trollii in 1929 by Walter Kupper . Curt Backeberg placed them in the genus Oreocereus in 1936 .
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. 484 .
Individual evidence
- ↑ Monthly of the German Cactus Society . Volume 1, 1929, p. 96.
- ↑ Cactus ABC . 1936, p. 187.
- ↑ Oreocereus trollii in the IUCN Red List of Threatened Species 2013.2. Posted by: Kiesling, R., Demaio, P. & Lowry, M., 2013. Retrieved April 20, 2014.
