Ferocactus tiburonensis
| Ferocactus tiburonensis | ||||||||||||
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| Ferocactus tiburonensis | ||||||||||||
| ( GELinds. ) Backeb. |
Ferocactus tiburonensis is a species of the genus Ferocactus in the cactus family(Cactaceae).
description
Ferocactus tiburonensis grows individually with spherical to short cylindrical shoots and reaches heights of up to 1 meter with diameters of 35 centimeters. There are about 21 high, somewhat humped ribs . The conspicuously fluted thorns are difficult to distinguish between central and radial thorns. The four cross, straight or twisted central spines are up to 9 centimeters long. The lowest of them is occasionally flattened. The awl, not bristle-like radial spines are similar in shape to the central spines.
The funnel-shaped, yellow flowers reach a length of up to 6 centimeters and have a diameter of 5 centimeters. The 2 to 4 centimeters long, spherical fruits are yellow and fleshy.
Distribution, systematics and endangerment
Ferocactus tiburonensis is widespread on the island of Tiburón , part of the Mexican state of Sonora .
It was first described as Ferocactus wislizeni var. Tiburonensis in 1955 by George Edmund Lindsay . Curt Backeberg raised her to the rank of species in 1961.
In the Red List of Threatened Species of IUCN is the species as " Vulnerable (VU) ", d. H. listed as endangered.
proof
literature
- Edward F. Anderson : The Great Cactus Lexicon . Eugen Ulmer KG, Stuttgart 2005, ISBN 3-8001-4573-1 , p. 297 .
Individual evidence
- ^ Cactus and Succulent Journal . Volume 27, Los Angeles 1955, p. 166.
- ↑ Cactaceae . Volume 5, 1961, p. 2719
- ↑ Ferocactus tiburonensis in the Red List of Threatened Species of the IUCN 2013.2. Posted by: Burquez Montijo, A. & Felger, RS, 2010. Retrieved December 20, 2013.