About the collection
Why these names?
Aylostera
Rebutia
Weingartia (& Sulcos)
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"The cacti" is a group of plants which is undergoing a rapid evolutionary diversification. This means that plants are adapting to their various environments rapidly (in evolutionary terms). It is often very difficult to decide what is a different species from another when there is a gradual change in appearance from one to the other over a geographical area. On top of this, new plants and varieties are being discovered all the time, as each new valley of the Andes is explored by botanists.
With the groups Aylostera, Rebutia and Weingartia, there has been a great deal of argument as to which plants were related to which others, and as a result much argument about what individual plants should be called, and whether or not plants are full species, subspecies, or just varieties of others.
Here at this collection we have adopted, for the moment, two recent studies which have compared the features and the DNA of currently known plants. These studies (one for Aylostera and Rebutia, including Mediolobivia, and one for Weingartia, including Sulcorebutia and Cintia) have been relatively well received by the establishment and give us a good framework to base our labelling and cataloguing.
We will of course try to keep up to date with any new studies that are produced.

The studies we use are:


Hentzschel, G. & Augustin, K. (2008). Weingartia, Sulcorebutia und Cintia, eine untrennbare Einheit (an indivisible unit) – Teil 2: Merkmalsvergleiche und Neukombinationen (Part 2: feature comparisons and recombinations). Gymnocalycium 21(2): 767-782

Mosti, S., Bandara, N. L. & Papini, A. (2011). Further insights and new combinations in Aylostera (Cactaceae) based on molecular and morphological data. Pak. J. Bot. 43(6): 2769-2785