- Ariocarpus retusus
"Ariocarpus retusus" is a species of cactus, from the genus "
Ariocarpus ", found mainly in Mexico. It is one of the largest, and fastest growing, species of the genus [http://www.living-rocks.com/retusus.htm] . Despite its slow growth, often taking 10 years to reach flowering age, the "retusus" is a desirable cactus for cultivation, having attractive flowers and an interesting form. It is also one of the easiest cacti to grow from the genus.References
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