Cylindropuntia tesajo
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Cylindropuntia tesajo |
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| ( Engelm. Ex JMCoult. ) FMKnuth |
Cylindropuntia tesajo is a species of plant in the genus Cylindropuntia in the cactus family(Cactaceae). A Spanish common name is "Tesajo".
description
Cylindropuntia tesajo grows as a lower and spreading, to short, upright, often dichotomous or trichotomous branching shrub and reaches heights of 20 to 80 centimeters. On the green light green to brownish to the areolae tinged purple something to bare papillaten, very long, slender 3 to 11.5 centimeters and 0.5 to 1.2 centimeters in diameter measured drive portions are inconspicuous low bumps. The cream-colored to gray areoles have 2 to 4 millimeters long conspicuous, yellow to rust-colored glochids . Thorns are only present on the uppermost areoles of the shoot sections, occasionally they are completely absent. It becomes an upright, yellow to orange main spine, which has a sheath and is 2 to 8.2 centimeters long. The up to two downwardly curved, dark brown to gray secondary thorns have no thorn sheath and are up to 3 millimeters long.
The flowers are yellow to yellowish green. The tan-colored fruits are dry and not thorny. They are 1.5 to 2.5 centimeters long and 0.5 to 1.5 centimeters in diameter.
Distribution, systematics and endangerment
Cylindropuntia spinosior is distributed on the Mexican Baja California peninsula in the desert areas of San Felipe and Viczaíno at altitudes of 20 to 800 meters.
The first description as Opuntia tesajo by John Merle Coulter was published in 1896. 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 total population is very dispersed, but locally the species occurs very frequently.
proof
literature
- Edward F. Anderson : The Great Cactus Lexicon . Eugen Ulmer KG, Stuttgart 2005, ISBN 3-8001-4573-1 , p. 175 .
Individual evidence
- ↑ John M. Coulter: Preliminary Revision of the North American Species of Echinocactus, Cereus, and Opuntia . In: Contributions from the United States National Herbarium . Volume 3, Number 7, 1896, p. 448 (online) .
- ^ Curt Backeberg , Frederik Marcus Knuth : Cactus ABC. En haandbog for fagfolk and amatører . Copenhagen 1936, p. 126 .
- ↑ Cylindropuntia tesajo in the IUCN Red List of Threatened Species 2014.1. Posted by: Pinkava, DJ, Baker, M. & Puente, R., 2013. Retrieved June 16, 2014.
