Also known as christmas cactus (but it is flowering here in Cambridge just in time for Thanksgiving), Schlumbergera’s are a strange sort of cactus plants. They have stems that look like leaf-like pads connected to one another. The flowers form at the terminal end of the plant. I grew mine from a small two segment section taken from a friends house and popped into a pot.
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Nikon D7000, Sigma 105mm f/2.8 Macro Lens ISO400, f/13, 3 seconds