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Habitat:
high
plateau region of central
Mexico, Guatemala.
Description: a group of branching, tree-like cacti with more or less
prominent ribs that are difficult to get to flower in cultivation. The small
blooms are borne on the large areoles and are followed by edible fruits that
resemble blackcurrants. The bluish stems are marked by 5 or 6 ribs and have
short spines. The cristate form is much sought after by collectors.
Soil: basic mix.
Location: direct light.
Temperature: the minimum temperature should not drop below 10°C
(50°F) so as to avoid the emergence of unsightly spots; the maximum should
not exceed 30°C (86°F).
Water: average with care. If plants are overwintered at temperatures
above 10° (50°F) they need to be watered occasionally.
Cultivation tips: easy but they are prone to rot due to excess
humidity. They might be used as rootstocks.
Main species: M. geometrizans, easy, vigorous, with a bluish
glow, makes an excellent rootstock; M. lindsayi.
Myrtillocactus geometrizans Myrtillocactus geometrizans fa crest.
Myrtillocactus geometrizans
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