beautiful natural cactus flower in full bloom in a macro shot

flowerpot exotic foliage stem needle spring summer botanical magnificent glorious decoration houseplant growth fresh peduncle petal sepal filament pollen anther androecium stamen pot tropical desert cactus grow leaf gymnocalycium lb2178 gymno succulent color white macro blooming beautiful blossom bloom floral botany flower closeup flora natural beauty garden green nature plant full shot dark blackground