Mammillaria tlalocii "caespitosa"
Usually this species don't produces lateral shoots. The plant in
the photo (Caespitose form) is a nice horticultural form that branch
freely and forms soon nice clumps.
Description: Globular cactus that branch
profusely from the base. (Note: usually this species don't produces
Stem: Globose, later columnar, curving pipe-shaped, to 20 cm
long, 5 to 7 cm wide. The axil is white-wooled.
Radial spines: 16 to 22, glassy white, 1 to 2 mm long, the longer
Central spines: On the areoles at the apex of the plant, with age,
may appear a single longer brown-black central spine 6-10 mm long.
Flowers: Carmine-pink, 12 to 14 mm long, 8 to 10 mm wide.
Flowering time: Blooms in late winter, early spring.
Fruits: Carmine-pink small.
Seeds: Small, brown.
M. tlalocii is a Slow growing nice relative of M. crucigera with minute
glassy-white spines brown a the base.
Scientific name: Mammillaria
tlalocii Reppenhagen 1989
Published in: Gattung Mammillaria 1988: 120 (1989)
First description: by Reppenhagen, Gatt. Mamm. 120 (1987)
Garden origin (Nursery
Conservation status: Listed in
CITES appendix 2.
- Mammillaria crucigera subsp. tlalocii
(Reppenhagen) D. R. Hunt 1997
- Mammillaria buchenaui Backeberg
- Mammillaria crucigera var. tlalocii
(Reppenhagen) Linzen et al. 1998
- Mammillaria crucigera var. grandinosa
Linzen et al. 1998
- Mammillaria crucigera Martius
Cultivation: It is a slow growing species
. Use pot with good drainage and a very
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
growing season, keep very dry in
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
(if kept dry it hardy as low as -5° C)Outside
full sun or afternoon shade, inside needs bright light, and some direct
Some plants will offset readily, and clumps can be produced in a very
Propagation: Direct sow after
conspecific taxa, varieties, forms and cultivars of
Taxon has lots of synonyms whit
several controversial varieties and subspecies):