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 diguetii (F. A. C. Weber) Britton & Rose (1922) |
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Habitat |
Mexico
Baja California - islands in the Gulf of California |
Description |
named after Léon Diguet
giant cactus, to 4 m (13.1 ft) tall, 80 cm (2.6 ft) Ø
ribs to about 40
6–8 spines, 3–4 cm (1.2–1.5 in) long, somewhat spread, slightly bent
flowers about 3.5 cm (1.4 in) long, red, with a yellow brink
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Synonyms |
Echinocactus diguetii F. A. C. Weber (1898)
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CITES |
Appendix II |
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