It was just pubished in the channel olliesshop, the video “2013-01-31 – I have a Flower on one of my plants !!!”.
As informed by olliesshop: “I’m pretty sure this flower is on an Anubias. But isn’t is awesome !!! I’ve never had an underwater flower before. I think it’s largely because I use fertilizer pellets for my plants once a month. This is so cool !!!
Here’s a link to some still shots of the flower, which show the detail much better than the video … http://olliesshop.smugmug.com/Aquariums/Flower/27801233_ThbN3n#!i=2344556003&k=XsG7mjF”
You can check the video below: