Armatocereus rauhii

Armatocereus rauhii
	Armatocereus rauhii subsp. balsasensis
Systematics
Order :	Clove-like (Caryophyllales)
Family :	Cactus family (Cactaceae)
Subfamily :	Cactoideae
Tribe :	Browningieae
Genre :	Armatocereus
Type :	Armatocereus rauhii
Scientific name
	Armatocereus rauhii
	Backeb.

Armatocereus rauhii is a species of plant in the genus Armatocereus from the cactus family(Cactaceae). The specific epithet rauhii honors the German botanist Werner Rauh .

description

Armatocereus rauhii grows tree-shaped, is only sparsely branched and reaches heights of 4 to 10 meters. A clear trunk with a height of up to 1 meter is formed. The stiff, upright, bluish to gray-green shoots are divided into conspicuous segments with a diameter of up to 20 centimeters. There are eight to 13 ribs with small areoles on them . The one to three central spines , which can occasionally be missing, are gray and have a darker tip. They have a length of 0.6 to 3 centimeters. The six to twelve whitish radial spines are 1 to 3 millimeters long.

The carmine-red flowers are up to 4 centimeters in diameter. The spherical fruits are dark green. They are 3 to 5 inches long.

Distribution, systematics and endangerment

Armatocereus rauhii is common in the Peruvian regions of Cajamarca and Ancash .

It was first described in 1957 by Curt Backeberg . The following subspecies are distinguished:

Armatocereus rauhii subsp. rauhii
Armatocereus rauhii subsp. balsasensis (F.Ritter) Ostolaza

In the Red List of Threatened Species of the IUCN , the species is listed as " Least Concern (LC) ". H. listed as not endangered. The subspecies were not recorded separately.

proof

literature

Edward F. Anderson : The Great Cactus Lexicon . Eugen Ulmer KG, Stuttgart 2005, ISBN 3-8001-4573-1 , p. 78 .

Individual evidence

↑ Urs Eggli, Leonard E. Newton: Etymological Dictionary of Succulent Plant Names . Springer, Berlin / Heidelberg 2010, ISBN 978-3-642-05597-3 , p. 200.
↑ Descriptiones Cactearum Novarum . 1957, p. 13.
↑ Armatocereus rauhii in the IUCN Red List of Threatened Species 2013.2. Posted by: Ostalaza, C., Cáceres, F. & Roque, J., 2011. Retrieved December 31, 2013.

Web links

Commons : Armatocereus rauhii - 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. 200.

[2] Descriptiones Cactearum Novarum . 1957, p. 13.

[3] Armatocereus rauhii in the IUCN Red List of Threatened Species 2013.2. Posted by: Ostalaza, C., Cáceres, F. & Roque, J., 2011. Retrieved December 31, 2013.