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 |
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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 |
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| Ferocactus glaucescens (De Candolle) Britton & Rose (1922) |
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Habitat |
Mexico
Guanajuato, Querétaro, San Luis Potosí |
Description |
blue becomming Ferocactus
globular, in age somewhat longish, blue-green
11–13 ribs
6–8 spines, same lenght, 3 cm (1.2 in), yellow
flowers to 2 cm (0.8 in) long, yellow, petals longish,
bloom first as older plant
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Synonyms |
Echinocactus glaucescens De Candolle (1828)
Bisnaga glaucescens (De Candolle) Orcutt (1926)
Parrycactus glaucescens (De Candolle) Doweld (2000)
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CITES |
Appendix II |
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| Description of "Kakteen von A bis Z" by Walter Haage with courtesy by Kakteen-Haage made available. |
| Pictures of the collection by Donna and Robert Ellis; Tucson, Arizona |
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