Publication: nom. nud.
Description
Echinocactus horizonthalonius v. minimus is a local or morphological form of the widespread and variable Echinocactus horizonthalonius. It distinguishes from the standard species in that even very small plants are able to flower, all the other characteristics clearly show that they are conspecific. The variety minimus is a is a good example of the range of variation of Echinocactus horizonthalonius.
Origin and Habitat
Cedral towards Esacion Vanegas, San Luis Potosi, Mexico.
Bibliography
Major references and further lectures
- Cactus and Succulent Field Number Finder <http://ralph.cs.cf.ac.uk/Cacti/finder.php?Plant=Echinocactus+horizonthalonius\>