In 2003 Leonhard Busch published a very interesting article in Succulenta 92 (4), 2013, pp. 187 -190, in which he described seedlings grown from a single plant of Mediolobivia (Aylostera) neopygmaea (euanthema) which he had bought from a fellow grower. From the eight seeds sown, eight different coloured flowers arose! This illustrates that the genetics of flower colour are not at all straightforward.
Leo Busch very kindly provided some cuttings for the collection, two of which are shown here. Colleagues have nicknamed them “leopygmaea”.