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Astrophytum asteris nudum
Round body with showy white areoles.
Description: This
form has a very characteristic
glabrous
stem lacking the white tufts of loose
hairy scales typical of the common
Astrophytum asterias. The smooth green
epidermis show up the
felty
areoles.
Cultivation: Although regarded as a choice and difficult
plant is not too difficult in a
greenhouse,
although grows quite slowly.
It is sometime seen as a grafted plant but grows very well on its own
roots too. Use mineral well permeable
mineral soil
with little organic matter (peat, humus). Water sparingly
from March till
October
(weekly during
summertime,
if the weather is sunny enoughand)
, with a little
fertilizer
added. keep
perfectly dry in winter
at temperatures from 5 to
15 degrees centigrade.
(but it is relatively cold resistant and
hardy to -7° (-10°)C
for short periods) In the rest period no high atmospheric humidity!!
They need a good amount of
light shade to full sun
this help to keep the plants
healthy, although slow
growth.
Propagation: Almost exclusively by seed that germinate rapidly.
Plants are sometimes grafted onto column-shaped cacti.
Photo of conspecific taxa,
varieties, forms and cultivars of Astrophytum asterias:
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Cultivation and Mail Sale 
