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Polytomichous Strombocactus (crests
divided in several single apexes)
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Polytomy is a form of cristation, an apex
divided in 2, 3, 4 … or in a lot of smaller apexes.
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Family:
Cactaceae
(Cactus
Family)
Strombocactus disciformis
forma
polytomica.
Origin:
Garden origin
(Nursery produced cultivar)
Conservation status: Listed in
CITES appendix I
Notes: This plant is original from
the
Cactus Art Nursery
Dichotomous, trichotomous, quadritochomous…. polytomichous.
Polytomy is a form of
cristation, an
apex divided in 2, 3, 4 … or
in a lot of
smaller apexes.
It is very unusual to see such a Strombocactus.
Some of
these
plants are very nice sculptures one
different
from another. There are also plants that show the classical
line cristation
and polytomy at the same time.
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Dichotomous
Cultivation: It’s a relatively easy species to
cultivate, but very slow growing. It needs a very well drained soil, and
requires strong sun to part sun to develop good growth. Waterings
should be rather infrequent to keep the plant compact, and not to become
excessively elongated and unnatural in appearance. Keep dry in winter,
or when night temperatures remain below 10° C (but some people give this
plant a light monthly watering to prevent the drying and shedding of the
lower tubercles.)
It is hardy to -4°C for a short period. Assure good ventilation.
Propagation: It can be reproduced by cuttings,
but it is often grafted because difficult and slow to grow on its own
roots.
Photo of conspecific taxa, varieties, forms and cultivars of
strombocactus disciformis.
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Cultivation and Mail Sale 
