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Mammillaria tlalocii is an attractive and rewarding cactus with
dense white spines
The slow growth rate make
it one of the most sought-after species.
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Description: Globular
cactus, solitary or clumping dichotomously; usually this species don't
produces lateral shoots. But in cultivation are frequently seen plant that
branch profusely from the base.
Stem: Globose, later columnar, curving pipe-shaped, to 20 cm
long, 5 to 7 cm wide.
Axil: White-wooled.
Radial spine: 16 to 22, glassy white, 1 to 2 mm long, the longer
sideways pointing.
Central spine: On the areoles at the apex of the plant, with age,
may appear a single longer brown-black central spine 6-10 mm long.
Flower: Carmine-pink, 12 to 14 mm long, 8 to 10 mm wide.
Flowering time: Blooms in late winter, early spring.
Fruit: Carmine-pink small.
Seed: Small, brown. |
A very showy species with minute
white spines and purple flowers.
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Forms rings of small carmine-pink flowers in spring. |
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Cultivation: It is a slow
growing species .
Use pot with good drainage and a very porous
mineral-based potting mix, keep dry in
winter. Pot plants are quite
wet-sensitively. Care must be taken with watering (Rot prone)
and needs good
drainage. Water sparingly
during the
growing season, keep very dry in
winter. Feed
with a high potassium fertilizer in summer.
Usually it is recommended to
overwinter this plant in a bright and warm greenhouse with at least
8-10° C , but it proved to be quite
frost resistant
(if kept dry it hardy as low as -5° C)Outside
full sun or afternoon shade, inside needs bright light, and some direct
sun.
Some plants will offset readily, and clumps can be produced in a very
few years.
Propagation: Direct sow after
last frost,
cuttings or
grafting.
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An old specimen
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Photo of conspecific taxa, varieties, forms and
cultivars of
Mammillaria
crucigera
complex
(This
Taxon
has lots of synonyms
whit several controversial varieties and subspecies):
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Family:
Cactaceae (Cactus
Family)
Scientific name: Mammillaria
tlalocii Reppenhagen 1989
Published in: Gattung Mammillaria 1988: 120 (1989)
First description: by Reppenhagen, Gatt. Mamm. 120 (1987)
Origin: Mexico, (at the border of the states of Puebla and
Oaxaca).
Habitat: Altitude 800 to 1.000 m.
Conservation status: Listed in
CITES appendix 2.
Synonyms:
- Mammillaria crucigera subsp. tlalocii
(Reppenhagen) D. R. Hunt 1997
- Mammillaria buchenaui Backeberg
1963
- Mammillaria crucigera var. tlalocii
(Reppenhagen) Linzen et al. 1998
- Mammillaria crucigera var. grandinosa
Linzen et al. 1998
- Mammillaria crucigera Martius
1832
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Thin brownish-black centrals
will eventually form with age
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Cultivation and Mail Sale 
