Ferocactus cylindraceus
Ferocactus cylindraceus
Ferocactus cylindraceus is a species of the genus Ferocactus in the cactus family ( Cactaceae ). The specific epithet cylindraceus means columnar 'or' roll-shaped '.
Description
Ferocactus cylindraceus grows individually and sprouts rarely. The spherical to cylindrical shoots reach stature heights of up to 3 meters in diameters of 50 centimeters. There are usually 20 to 30 gehöckerte, occasionally wavy ribs present, transversely notched. The differently colored, somewhat flexible spines are white, red, yellow or brown. Of the four to seven, 5 to 15 centimeters long central spines, some are turning round, flattened the other. Sometimes they are curved or hook-shaped. The 15 to 25 hair-like to strong spines often merge into the central spines.
The funnel-shaped flowers are tinged with yellow, and sometimes red. They reach a length of 3 to 6 centimeters in diameter and have four to six centimeter. The up to 3 centimeters long, spherical, yellow fruits are fleshy and open with a basal pore.
Distribution, systematics and hazard
Ferocactus cylindraceus is distributed in the United States in the states of California, Nevada, Utah and Arizona as well as in the Mexican states of Baja California and Sonora.
The first description as Echinocactus viridescens var cylindraceus in 1852 by George Engelmann. Charles Russell Orcutt she put 1926 in the genus Ferocactus.
We distinguish the following sub- types:
- Ferocactus cylindraceus subsp. cylindraceus
- Ferocactus cylindraceus subsp. lecontei ( Engelm. ) N.P.Taylor
- Ferocactus cylindraceus subsp. tortulispinus ( H.E.Gates ) N.P.Taylor
In the Red List of Threatened Species IUCN, the type is known as " Least Concern ( LC) ," ie, than not led at risk.