Oreocereus leucotrichus
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Oreocereus leucotrichus |
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| Oreocereus leucotrichus | ||||||||||||
| ( Phil. ) Wagenkn. |
Oreocereus leucotrichus is a species of plant in the genus Oreocereus in the cactus family(Cactaceae). Spanish common names are "Chastudo" and "Viejito".
description
Oreocereus leucotrichus grows shrubby with numerous upwardly curved shoots branching from the base and forms dense groups. The columnar shoots are 1 to 2 meters long and 6 to 12 centimeters in diameter. There are 10 to 15 flat and shallow ridged ribs . The areoles on it are covered with numerous, white to black, 5 to 10 centimeters long hairs . The thorns emerging from the areoles are strong, yellowish to chestnut brown or orange and do not turn gray with age. The one to four central spines are slightly curved and 5 to 8 inches long. The five to ten radial spines are up to 1.5 centimeters long.
The carmine-red flowers appear near the tips of the shoots. They are 8 to 10 inches long. The spherical to somewhat elongated fruits are reddish yellow to yellowish green and have a diameter of 4 to 6 centimeters.
Distribution, systematics and endangerment
Oreocereus leucotrichus is distributed in the Peruvian regions of Ayacucho and Arequipa as well as in northern Chile at altitudes of 2000 to 3500 meters.
It was first described as Echinocactus leucotrichus in 1891 by Rudolph Amandus Philippi . Rodolfo Wagenknecht placed them in the genus Oreocereus in 1956 .
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. 483-484 .
Individual evidence
- ↑ Anales del Museo Nacional de Chile . Santiago de Chile 1891, p. 27 (online) .
- ↑ Anales de la Academia Chilena de Ciencias Naturales . Number 20, Santiago 1956, p. 102.
- ↑ Oreocereus leucotrichus in the IUCN Red List of Threatened Species 2013.2. Posted by: Cáceres, F., Faundez, L., Guerrero, P., Saldivia, P. & Walter, HE, 2013. Retrieved April 20, 2014.
