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White woolly
areoles & black stout spines.
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Description: Solitary or
slowly clumping, depressed spherical or cylindrical with a woolly apex.,
15 cm tall , 10 cm ) in diameter; 10 to 17 ribs;
Spines: Usually black hard and straight (or slightly bent) 1( to
2) central spines 2 to 3 cm long; 5 to 7 radial spines, 1 to 1.5 cm
long.
Flowers: Large (± 3 cm) light yellow funnel-shaped flowers in
spring and summer, followed by green fruit.
Cultivation: Need full sun but should be protected from excessive
heat and sun in summer, Require light watering, good drainage. Keep warm
and dry in winter to avoid rot. Frost tolerance 0°C
Propagation: Seeds (offsets rarely), Grafting is often used to
speed growth rate and to create a back-up to plants in collection.
Copiapoa calderana.
(This
Taxon has lots of
synonyms ( like many other Copiapoa) whit several controversial
varieties and subspecies and comprises several different forms, but
where each form is linked to others by populations of plants with
intermediate characteristics):
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Cultivation and Mail Sale 
