Answer: I didn't find a reference for a yellow bloomer. The proper Latin name for Christmas Cactus is Schlumbergera bridgesii, although it is often sold as Zygocactus truncata. A similar plant called Schlumbergera truncata (also sold as Zygocactus truncata, just to confuse things a little more!) does come in varieties of white, pink, salmon, scarlet or orange.
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