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Colorful Coryphanthas Part I

Part I The genus Coryphantha was separated from Mammillaria in 1856 by Engelmann. Characteristically, Coryphantha have tubercles with a groove on the upper surface, which separates it from Mammillaria, although they get their name from the position of the flowers, which emerge from the top of the plant (in greek, coryphe means head, crown or summit, while anthos means flower). They can be found in the US in Arizona, New Mexico, and western Texas, as well as Mexico and a couple of other Central American countries. There are around 60 species described currently, with several times more published names which are regarded as synonyms. They are fairly easy in cultivation, being able to tolerate light frosts. Some species can handle temperatures down into the single digits F, if quite dry. Those species with denser spination can stand stronger light conditions than the more open-bodied ones, so care should be taken when moving or re-potting plants that they are not turned from the orientation they have become accustomed to.