Many growers still name these plants under the old system, and those formerly called Sulcorebutia in particular hold a fascination for collectors.
They can be a bit tricky to grow, and tend to rot if overwatered. Some species have very long tap roots which need tall narrow pots.
Hentzschel and Augustin combined the three genera Cintia, Sulcorebutia and Weingartia under Weingartia in 2008.
As with all of the genera in the National Collection, there are quite a few plants for which the name hasn’t yet been decided or given. Such as: