Ferocactus cylindraceus

Ferocactus cylindraceus
	Ferocactus cylindraceus
Systematics
Order :	Clove-like (Caryophyllales)
Family :	Cactus family (Cactaceae)
Subfamily :	Cactoideae
Tribe :	Cacteae
Genre :	Ferocactus
Type :	Ferocactus cylindraceus
Scientific name
	Ferocactus cylindraceus
	( Engelm. ) Orcutt

Ferocactus cylindraceus is a species of the genus Ferocactus in the cactus family(Cactaceae). The specific epithet cylindraceus means 'columnar' or 'cylindrical'.

description

Ferocactus cylindraceus grows individually and rarely sprouts. The spherical to cylindrical shoots reach heights of up to 3 meters with a diameter of 50 centimeters. There are 20 to 30 mostly humped, occasionally wavy ribs that are notched across. The differently colored, somewhat flexible thorns are white, red, yellow or brown. Some of the four to seven, 5 to 15 centimeter long central spines are round, the others are flattened. Occasionally they are curved or hooked. The 15 to 25 hair-like to strong radial spines often merge into the central spines.

The funnel-shaped flowers are yellow and sometimes tinged with red. They reach a length of 3 to 6 centimeters and have a diameter of 4 to 6 centimeters. The up to 3 centimeters long, spherical, yellow fruits are fleshy and open with a basal pore.

Distribution, systematics and endangerment

Ferocactus cylindraceus is distributed in the United States in the states of California , Nevada , Utah, and Arizona, and in the Mexican states of Baja California and Sonora .

It was first described as Echinocactus viridescens var. Cylindraceus in 1852 by George Engelmann . Charles Russell Orcutt placed them in the genus Ferocactus in 1926 .

The following subspecies are distinguished:

Ferocactus cylindraceus subsp. cylindraceus
Ferocactus cylindraceus subsp. lecontei (Engelm.) NPTaylor
Ferocactus cylindraceus subsp. tortulispinus (HEGates) NPTaylor

In the Red List of Threatened Species of the IUCN , the species is listed as " Least Concern (LC) ". H. listed as not endangered.

proof

Flowers and buds

literature

Edward F. Anderson : The Great Cactus Lexicon . Eugen Ulmer KG, Stuttgart 2005, ISBN 3-8001-4573-1 , p. 290-291 .

Individual evidence

↑ American Journal of Science, and Arts . 2nd episode, Volume 14, 1852, p. 338.
↑ Cactography . 1926, p. 5.
↑ Ferocactus cylindraceus in the IUCN Red List of Threatened Species 2013.2. Posted by: Burquez Montijo, A. & Felger, RS, 2010. Retrieved December 19, 2013.

Web links

Commons : Ferocactus cylindraceus - album with pictures, videos and audio files

[1] American Journal of Science, and Arts . 2nd episode, Volume 14, 1852, p. 338.

[2] Cactography . 1926, p. 5.

[3] Ferocactus cylindraceus in the IUCN Red List of Threatened Species 2013.2. Posted by: Burquez Montijo, A. & Felger, RS, 2010. Retrieved December 19, 2013.