Ferocactus johnstonianus
| Ferocactus johnstonianus | ||||||||||||
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young grafted plant |
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| Scientific name | ||||||||||||
| Ferocactus johnstonianus | ||||||||||||
| Britton & Rose |
Ferocactus johnstonianus is a species of the genus Ferocactus in the cactus family(Cactaceae).
description
Ferocactus johnstonianus grows individually with spherical to short cylindrical shoots and reaches heights of more than 1 meter with diameters of 35 centimeters. There are 24 to 31 slightly tuberous ribs . The 22 to 25 slightly outwardly curved, awlish thorns are golden yellow and turn brown with age. They are up to 6 centimeters long and cannot be divided into central and radial spines.
The funnel-shaped, yellow flowers reach a length of up to 5 centimeters and have a diameter of 3.5 centimeters. The 3 centimeter long fruits sometimes tear open with a basal pore.
Distribution, systematics and endangerment
Ferocactus johnstonianus is distributed on the island of Ángel de la Guarda , part of the Mexican state of Baja California . The first description was in 1923 by Nathaniel Lord Britton and Joseph Nelson Rose .
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. 295 .
Individual evidence
- ^ NL Britton , JN Rose : The Cactaceae. Descriptions and Illustrations of Plants of the Cactus Family . tape IV . The Carnegie Institution of Washington, Washington 1923, p. 287 .
- ↑ Ferocactus johnstonianus in the IUCN Red List of Threatened Species 2013.2. Posted by: León de la Luz, JL, Gómez-Hinostrosa, C. & Hernández, HM, 2012. Retrieved December 20, 2013.