All the information and photos in cactus art files are now available also in the new the Enciclopedia of Cacti. We hope you find this new site informative and useful.

One of the most sought-after forms of Mammillaria theresae.

Photo of conspecific taxa, varieties, forms and cultivars of Mammillaria theresae:

• M. theresae
• M. theresae (The habitat - Coneto Pass)
• M. theresae forma brevispina
• M. theresae forma polytomica
• M. theresae forma cristata
• M. theresae forma albiflora

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Conservation status: Listed in CITES appendix 2.
 

The polytomy is a particular form of cristation in which  an apex divides  in numerous new apexes. If apex divides in two we have  the common dichotomy. These particular forms of cristation  give origin to individuals each different to an other. The obtainable features are very various and beautiful. Some plants are really spectacular. Some plants have both crested and polytomic stems.

 
 Click on the photo to enlarge.

All the information and photos in cactus art files are now available also in the new the Enciclopedia of Cacti. We hope you find this new site informative and useful.