Cleistocactus icosagonus
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Cleistocactus icosagonus |
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| Cleistocactus icosagonus | ||||||||||||
| ( Kunth ) FAC Weber ex Rol.-Goss. |
Cleistocactus icosagonus is a species of plant in the genus Cleistocactus from the cactus family(Cactaceae). Thespecific epithet icosagonus means 'twenty ribs'.
description
Cleistocactus icosagonus grows as a shrub with prostrate to creeping or ascending shoots and forms large, low clusters. The light green shoots reach a length of 20 to 60 centimeters with a diameter of 3 to 5 centimeters. There are 8 to 21 low, rounded ribs , which are divided into cusps by furrows . The areoles on it are close together. Areoles capable of flowering are covered with numerous, fine long bristles. The 25 to 60 golden yellow thorns are needle-like or bristly and 1 to 1.5 centimeters long.
The almost straight, crooked, pink to scarlet to orange flowers are 7 to 8 centimeters long. Your pericarpell is covered with small scales with a few hairs. The spherical, green to yellow fruits reach a diameter of 2 to 4 centimeters and are often covered with a few hairs.
Distribution, systematics and endangerment
Cleistocactus icosagonus is distributed in the Ecuadorian provinces of Azuay and Loja as well as in the Peruvian region of Piura at altitudes of 1000 to 3000 meters. It was first described as Cactus icosagonus in 1823 by Karl Sigismund Kunth . Robert Roland-Gosselin placed them in the genus Cleistocactus in 1904 .
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. 120 (English: The cactus family . Portland 2004. Translated by Urs Eggli ).
Individual evidence
- ↑ Nova Genera et Species Plantarum . Volume 6, 1823, p. 67, (online) .
- ^ Bulletin de la Société Centrale d'Agriculture, d'Horticulture et d'Acclimatation de Nice . Volume 44, Number 1, 1904, p. 34.
- ↑ Cleistocactus icosagonus in the Red List of Threatened Species of the IUCN 2013.2. Posted by: Ostalaza, C. & Loaiza, C., 2011. Retrieved February 22, 2014.
