Frailea cataphracta
Frailea cataphracta | ||||||||||||
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Frailea cataphracta |
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Scientific name | ||||||||||||
Frailea cataphracta | ||||||||||||
( Dams ) Britton & Rose |
Frailea cataphracta is a species of plant in the genus Frailea from the cactus family(Cactaceae).
description
Frailea cataphracta grows singly or as sprouts with depressed spherical, cloudy green to bronze colored bodies that have a conspicuously sunken apex. The bodies reach diameters of up to 4 centimeters. The 8 to 21 ribs are low and divided into flat humps. The sparsely woolly areoles on it are 3 millimeters apart. Below the areoles there are crescent-shaped and more or less purple spots. The 5 to 9 golden yellow, graying thorns are directed downwards, lie on the surface of the body and are up to 2 millimeters long.
The pale yellow flowers are up to 3.8 centimeters long and reach the same diameter. The spherical fruits have a diameter of 4 millimeters.
Distribution, systematics and endangerment
Frailea cataphracta is common in southern Brazil , Bolivia and Paraguay . The first description as Echinocactus cataphractus was published in 1904 by Erich Dams . Nathaniel Lord Britton and Joseph Nelson Rose placed them in the genus Frailea in 1922 .
The following subspecies are distinguished:
- Frailea cataphracta subsp. cataphracta
- Frailea cataphracta subsp. duchii (G. Moser) PJ Braun & Esteves
- Frailea cataphracta subsp. melitae (Buining & Brederoo) PJ Braun & Esteves
- Frailea cataphracta subsp. tuyensis (Buining & G. Moser) PJ Braun & Esteves
In the Red List of Threatened Species of IUCN is the species as " Near Threatened (NT)", d. H. listed as low risk.
proof
literature
- Edward F. Anderson : The Great Cactus Lexicon . Eugen Ulmer KG, Stuttgart 2005, ISBN 3-8001-4573-1 , p. 300 .
Individual evidence
- ↑ Monthly for cactus science . Volume 14, 1904, p. 172.
- ↑ The Cactaceae . Volume 3, 1922, p. 210.
- ↑ Braun, PJ (2017): The cacti native to Mato Grosso do Sul. - cact. and. Sukk. 68 (3): 65-70.
- ↑ Braun, PJ (2017): An annotated list of species of the Cactaceae from Mato Grosso do Sul: Kugelkakteen. - cact. and. Sukk. 68 (6): 149-156.
- ↑ Braun, PJ (2018): The cacti native to Mato Grosso do Sul (Brazil) - a supplement. - cact. and. Sukk. 69 (12): 364-366.
- ↑ Frailea cataphracta in the IUCN Red List of Threatened Species 2013.2. Posted by: Larocca, J., Machado, M., Pin, A., Oakley, L. & Kiesling, R., 2010. Retrieved January 19, 2014.