Description: Rebutia marsoneri is a small and very free flowering cactus species with bright yellow to bright orange blooms.
Flowers: Rebutia marsoneri develops a larger crop of flowers from the base of each head, resulting in a superb display in mid-season. It has bright golden yellow to orange or orange-red flowers.
Cultivation and propagation: Full sun to light shade. Water regularly in summer but do not over-water. Keep dry in winter. Hardy down to -4°C.
Some of the information in this description has been found at desert-tropicals.com, llifle.com and cactus-art.biz
