A colorful and exotic cactus, Sulcorebutia Rauschii can have beautiful bicoloured flowers which are orange, red or purple with a yellow throat.
It is a slow growing clustering cactus that may forms clumps of many heads. This is a highly variable species with several forms with light green to purple colouration and small spines.
Height: approximately 9cm. Pot diameter: approximately 5cm.
Easy care: bright sunlight and infrequent watering (once every 10 days to two weeks).
Below is a photo from the internet showing how it would look like when it is blooming. 