Cereus (Herrmann) Miller (1754)
(latin = waxy, candle)
because of the upright, columnar growth habit of many species
wax torch cactus
arborescent or shrubby, ribs vary in length and number
number of spines also varies
long tubular flowers, slightly scaly, white to reddish
fruits oblong, smooth, yellow-green or red
seeds rather large, black, often shiny |
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Distribution |
south America - Columbia, Venezuela, Tobago, Suriname, Brazil,
Uruguay, Paraguay, Argentina, Bolivia, Peru
steppes and mountains |
Growth period |
warm and full sun
a location outdoor is very favorable
not too little watering and fertilize occasionally with a cactus fertilizer |
Winter period |
light and slightly moist at 6–12°C (42–53°F) |
Substrat |
humos, nutrient-rich and porous |
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| Cereus azureus Parmentier ex Pfeiffer (1837) |
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Habitat |
south Brazil |
Description |
azure Cereus
up to 3 m (9.8 ft) tall, straight, shoots about 4 cm (1.6 in) Ø, blue pruinose
ribs 6–7
areoles brown tomentose, gray wooly
8 radial spines, white; 1–3 center spines, stronger, darkbrown to black
flowers 20–30 cm (7.8–11.8 in) long, white with green stripe at backside
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Synonyms |
Piptanthocereus azureus (Parmentier ex Pfeiffer) Riccobono (1909) (incorrect name)
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CITES |
Appendix II |
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