Do you know the name of this supposedly extinct flower is/was?

Ten or so years ago I remember reading in a National Geographic (or similar magazine) about a flower that had been found in South America. Scientists found a cluster of 6–8 of them, it was a huge find because they were supposed to have gone extinct thousands or millions of years ago. One of the plants was taken to study but it died soon after, as did the rest of the plants from the original area as it was discovered they had a shared root system and the scientists had done irreparable damage to the cluster. They had a picture, they looked like a cross between a pink water lily and a magnolia with a large deep pink flower with petals that faded to a softer pink at the tip and a rather short stem with no leaves.

Any ideas Fluther geniuses?