Schlumbergera bridgesii is a species of cactus native to Brazil, where it grows as an epiphyte in shady conditions. It is a popular houseplant commonly known as Christmas cactus due to its tendency to bloom during the holiday season. The plant has flat, segmented stems that are typically green but may have a reddish tint in bright light. The stems are lined with small, spineless, serrated leaves and produce showy flowers at the tips.