Ferocactus Britton & Rose (1922)
(Latin ferus = wild, latin cactus = cactus)
wild (spination) cactus;
because of the strong spination of some species
globe or barrel cactus, flat round or later columnar, usually very large, clumping, forming clusters
ribs numerous; spines strong, often in bright colors
central spine are frequent hooked, flat
flowers compact, yellow or red, pericarpel with dense joints
fruits opens at the base |
 |
| |
|
Distribution |
south of USA - California, Utha, Nevada, Arizona, New Mexico, Texas
Mexico - to Oaxaca
very warm steppes |
Growth period |
much of sun and heat - for a colored spination is much of sun necessary
sparse to moderate watering after drying of the soil
this genus is sensitive against moisture and grow very slowly |
Winter period |
bright and dry at 5–10°C (41–50°F)
Ferocactus flavovirens and F. latispinus not under 12°C (53°F)
this two species could get epidermis damages with to low temperatures
(light brown stains) |
Substrat |
pure minerally with less of loam, very permeable to water |
| |
|
| Ferocactus stainesii var. pilosus (Galeotti ex Salm-Dyck) Backeberg (1961) |
| |
Habitat |
Mexico
San Luis Potosí, Zacatecas,
Durango, Nuevo León, Coahuila,
Tamaulipas |
Description |
at first globular soon cylindrical, 1.50–3 m (4.9–9.8 ft) tall, 60 cm (23.6 in) Ø, clumping
ribs about 20
areoles especially near the crown with numerous hairs, hairs are laterally interwoven
spines red to yellow; 5 or more radial spines, distant
6–12 central spine to 4 cm (1.6 in) long
flowers 6 cm (2.3 in) long, purple or blazing red
|
Synonyms |
Echinocactus pilosus Galeotti ex Salm-Dyck (1850)
Ferocactus pilosus (Galeotti ex Salm-Dyck) E. Werdermann (1933)
|
CITES |
Appendix II |
↑
|
 |
|
