Echinocactus Link & Otto (1827)
(latin echinus = hedgehog, latin Cactus = cactus)
hedgehog cactus
because of its globular apperance and spination
numerous strongly distinct ribs
strong spines, straight or slightly curved, not hooked
short flowers, compact, tube wooly, yellow, exceptionally red
fruits oblong, wooly, opens at the base
seeds shiny brown or black |
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Distribution |
USA - California, Arizona, New Mexico, Texas, Nevada, Utah
Mexico - San Luis Potosí to Hidalgo
very warm steppes |
Growth period |
full sun exposure and heat
sparingly watering, this genus is slightly sensitive to too much moisture |
Winter period |
bright and dry at a minimum temperature of 53–59°F (12–15°C)
a temperature below 50°F (10°C) should be prevented for a longer time |
Substrat |
well-drained and nutrient-rich, with the addition of clay and crushed bricks or similar |
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| Echinocactus polycephalus Engelmann & J. M. Bigelow (1856) |
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Ligurta, Yuma County, Arizona, USA
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Helendale, San Bernadino County, California, USA |
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| Pierce Ferry, Mohave County, Arizona, USA |
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Mojave National Preserve, San Bernadino County, California, USA |
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| west of Sonoyta, Sonora, Mexico |
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Habitat |
USA
California, Nevada, Utah, Arizona
Mexico
western Sonora
in 980–3900 ft (300–1200 m) altitude
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Description |
many headed Echinocactus
globular to cylindrical, to 27.5 in (70 cm) long, clumping, forms large clusters
13–21 ribs, somewhat wavy
spines initially downy, later smooth, reddish
ca. 10 radial spines, to 2 in (5 cm) long
4 central spines, 1.2–3.5 in (3–9 cm) long, stronger, occasionally transverse furrowed
flowers to 2.4 in (6 cm) long, yellowish
fruits 1 in (2.5 cm) long, dense wooly
seeds papillate, dull black
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Synonyms |
Emorycactus polycephalus (Engelmann & J. M. Bigelow) Doweld (1996)
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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 with courtesy by © Rob Romero, Tucson, Arizona made available. |
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