Dark green leaves and white “flowers” are the most typical characteristics of these plants. The flower is actually a specialised leaf bract that grows hooded over the blossoms, as most people believe. Peace lilies, like many other popular indoor plants, like medium to low light.
Mine have done really well this year - they must like this awful weather
Wisdom is not putting it in a fruit salad.
However, I think you are getting very confused.
You are talking about Spathiphyllum or Peace lily.see 1st pic below
It is indeed as you describe and in UK is a common houseplant.
it is very different from the mystery flower asked about on 9th August by Ilikeplants at the start of this thread....which is Phlox paniculata. see 2nd pic below