Myrtillocactus Console (1897)

(Latin myrtella, resp. France myrtille = bilberry (Vaccinium myrtillus), Latin cactus = cactus)
bilberry cactus
because of the small globular shaped bilberry looking and tasting fruits,
the fruits of Myrtillocactus, named "Garambullos" by the natives, will offer at local markets

for eating or for making of jelly
columnar cactus, shrubby, candelabra shaped branched, plants appear glaucous; spines are different
flowers small, short funnel-form, whiteish, many appear sychronous partly many of it at the same areole, ovary with scales, globular

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Mexico - Baja California, San Luis Potosí to Oaxaca and Puebla
warm steppes

Growth period

sunny, warm and airy
abundant watering

Winter period

light, sparse moisture at about 59°F (15°C)
is very sensitive to low temperatures


nutrient-rich, minerally and porous
addition of sand, gravel and sparse loam
Myrtillocactus geometrizans (Martius ex Pfeiffer) Console (1897)
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Baja California, San Luis Potosí to Oaxaca and Puebla
wide spreaded and often prevalent,
forms large forrests at the scrubland


named because of the geometric lines at the new growth
to 13.2 ft (4 m) high, trunk distinct segmented, stems ± upward bended, 2.4–3.9 in (6–10 cm) broad,
initially glaucous tinted
ribs 5–6, somewhat angular
5–9 radial spines, short and initially reddish

1 central spine, to 2.8 in (7 cm) long, almost dagger-like, blackish
flowers 1–1.4 in (2.5–3.5 cm) Ø, greenish white
fruits eatable, blueish purple
seeds blackish

Flowering time

15–20 years from seed


Cereus geometrizans Martius ex Pfeiffer (1837)
Myrtillocereus geometrizans
(Martius ex Pfeiffer) Frič & Kreuzinger (1935) (incorrekt name)
CITES Appendix II
Description of "Kakteen von A bis Z" by Walter Haage with courtesy by Kakteen-Haage made available.