Armatocereus matucanensis

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Armatocereus matucanensis
Armatocereus matucanensis Prg.jpg

Armatocereus matucanensis

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

Armatocereus matucanensis is a species of plant in the genus Armatocereus from the cactus family(Cactaceae). The specific epithet matucanensis refers to the occurrence of the species near the Peruvian city of Matucana .

description

Armatocereus matucanensis grows tree-shaped, is branched out mainly from the base and reaches heights of growth of up to 6 meters. Usually a strong trunk is formed. The upright, often clump-forming, gray-green, bluish-tinted shoots are divided into 30 to 50 centimeter long segments with a diameter of 7 to 13 centimeters. There are five to eight ribs separated by shallow furrows . The priemlichen, angular, flattened and slightly twisted, brown thorns later gray and have a darker tip. The one to four central spines have a length of three to seven centimeters. The 8 to 14 spread radial spines are 5 to 15 millimeters long.

The narrow, funnel-shaped, white flowers are horizontal or upright. They are up to 10 centimeters long and 6 centimeters in diameter. The egg-shaped fruits are green. They are 8 to 13 inches long.

Distribution, systematics and endangerment

Armatocereus matucanensis in Ecuador in the province of Loja and the Peruvian region of Lima widespread.

The first description was in 1938 by Arthur William Hill .

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 . With a foreword by Wilhelm Barthlott and an article by Roger Brown on cactus cultivation and care. Translated from English, supplemented and revised by Urs Eggli. Ulmer , Stuttgart 2005, ISBN 3-8001-4573-1 , p. 77 (English: The cactus family . Portland 2004. Translated by Urs Eggli ).

Individual evidence

  1. Urs Eggli, Leonard E. Newton: Etymological Dictionary of Succulent Plant Names . Springer, Berlin / Heidelberg 2010, ISBN 978-3-642-05597-3 , p. 149.
  2. Index Kewensis Plantarum Phanerogamarum; Supplement . Volume 9, Oxford 1938, p. 25.
  3. Armatocereus matucanensis 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 matucanensis  - album with pictures, videos and audio files