Armatocereus laetus
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Armatocereus laetus |
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| Armatocereus laetus | ||||||||||||
| ( Kunth ) Backeb. ex AWHill |
Armatocereus laetus is a species of plant in the genus Armatocereus from the cactus family(Cactaceae). The specific epithet laetus means 'lush, joyous, blooming'.
description
Armatocereus laetus grows tree-shaped, is heavily branched just above the ground and reaches heights of 4 to 6 meters. A short, massive trunk is formed. The gray-green shoots are columnar and upright. There are four to eight ribs . The six to twelve initially brown thorns turn whitish or greyish with age.
The white flowers are 7 to 8 centimeters long and up to 5 centimeters in diameter. The green fruits are very thorny.
Distribution, systematics and endangerment
Armatocereus laetus is common in northern Peru and probably in southern Ecuador .
It was first described as Cactus laetus in 1923 by Karl Sigismund Kunth . Arthur William Hill put the species in the genus Armatocereus in 1938 . Nomenclatory synonyms are Cereus laetus (Kunth) DC. and Lemaireocereus laetus (Kunth) Britton & Rose (1919).
The species could be identical to Armatocereus mataranus .
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. 76-77 .
Individual evidence
- ↑ Nova genera et species plantarum quas in peregrinatione ad plagam aequinoctialem orbis novi collegerunt Bonpland et Humboldt . Volume 6, Paris 1823, p. 68, (online)
- ↑ Index Kewensis Plantarum Phanerogamarum; Supplement . Volume 9, Oxford 1938, p. 25.
- ↑ Armatocereus laetus in the IUCN Red List of Threatened Species 2013.2. Posted by: Loaiza, C. & Ostalaza, C., 2011. Retrieved December 31, 2013.
