blossoming christmas cactus

background beauty black bloom blooming blossom botany cactus christmas close crab dark december delicious epiphyllanthus exotic flora floral flower fragile holiday houseplant indoor inflorescence macro nature nectar petal pink pinkish pistil plant pot purity purple red rhipsalideae schlumbergera seasonal sepals stamen thanksgiving tropical vibrant vivid wallpaper white xmas zygocactus