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Mammillaria tlalocii "caespitosa"
(Syn: Mammillaria crucigera subsp. tlalocii clumping form)

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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 lateral shoots) 
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 sideways pointing.
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.

 

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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)
"caespitoasa"

Origin Garden origin (Nursery produced cultivar)

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


 

 


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.
 

Photo of conspecific taxa, varieties, forms and cultivars of Mammillaria crucigera complex (This Taxon has lots of synonyms whit several controversial varieties and subspecies):

 

Photo gallery: Alphabetical listing of Cactus and Succulent pictures published in this site.

Photo gallery MAMMILLARIA

 



 

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This old page has been moved! Click the link next on the right to enter the new Enciclopedia of Cacti. We hope you find this new site informative and useful.

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