flower of christmas cactus schlumbergera

background beautiful black bloom blooming blossom blossoming bright cactaceae cactus christmas close closeup crab decorative epiphyllanthus epiphyllum exotic floral flower fragility holiday houseplant isolated macro natural nobody opuntiopsis petal pink plant pollen purity red russelliana schlumbergera seasonal selective soft stamen thanksgiving tropical vibrant zygocactus zygocereus