Cylindropuntia cholla
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Cylindropuntia cholla |
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| ( FACWeber ) FMKnuth |
Cylindropuntia cholla is a species of the genus Cylindropuntia in the cactus family(Cactaceae). Thespecific epithet cholla incorrectly also chella, a native name from Mexico for the species.
description
Cylindropuntia cholla grows shrubby or tree-shaped, is low and spreading to upright and reaches heights of 0.5 to 3 meters. A separate trunk is formed. On the slightly sloping blue-green, often glaucous , 6 to 11 centimeters long and 3 to 5.5 centimeters in diameter shoot sections, there are clearly recognizable wide oval cusps. The cream-colored areoles turn gray with age and have dark, inconspicuous glochids 1.5 to 4 millimeters long . The five to 16 thorns are present on almost all areoles. They are more or less orange-brown, have a yellow tip and are 2 to 4.4 inches long. Three to seven main spines and three to eleven secondary spines are formed. The loose-fitting sheaths of the thorns are gray.
The flowers are light to dark pink in color. The green, spherical fruits are fleshy and not thorny. They are 1.7 to 4 inches long and 1.5 to 3.5 inches in diameter. The fruits often proliferate and form chains of two to five fruits.
Distribution, systematics and endangerment
Cylindropuntia cholla is widespread in the Mexican states of Baja California and Baja California Sur .
The first description as Opuntia cholla by Frédéric Albert Constantin Weber was published in 1895. Frederik Marcus Knuth placed the species in the genus Cylindropuntia in 1936 .
In the Red List of Threatened Species of the IUCN , the species is listed as " Least Concern (LC) ". H. listed as not endangered. The development of the populations is considered stable.
proof
literature
- Edward F. Anderson : The Great Cactus Lexicon . Eugen Ulmer KG, Stuttgart 2005, ISBN 3-8001-4573-1 , p. 170 .
Individual evidence
- ↑ Bulletin du Muséum d'Histoire Naturelle . Volume 1, Paris 1895, pp. 320-321 (online) .
- ↑ Cactus ABC . 1936, p. 125.
- ↑ Cylindropuntia cholla in the IUCN Red List of Threatened Species 2014.1. Posted by: Pinkava, DJ, Baker, M. & Puente, R., 2013. Retrieved June 12, 2014.
