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Habitat:
Andean ranges of Equador,
Bolivia, Peru, between 1000 and 2300 metres (3300-7500 ft).
Description: a genus of columnar, sometimes tree-like cacti, covered
with dense white hair that may hide the stem completely in order to protect
it from the strong sunlight. During the summer, the nocturnal flowers arise
from quite a long, vertical cephalium, borne along one side of the stem.
This rarely happens in cultivated specimens.
Soil: basic mix.
Location: grow young plants in filtered light; full sun only when
plants are five years old or more.
Temperature: the minimum temperature should stay around 6-8°C
(43-46°F).
Water: average.
Cultivation tips: they are prone to rotting; propagate from seed or
cuttings in the summer.
Main species: E. lanata, fast-growing, can be grown outdoors
in mild areas or overwintered in a greenhouse; E. nana; E. churinensis;
E. ritteri; E. huanucensis;
E. guentheri; E. laticornua; E. melanostele;E. senilis.
Espostoa ritteri fa crest.
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