You trust Azura? Azura who used the Nerevarine as a puppet to get revenge against the tribunal. http://www.uesp.net/wiki/Lore:Azura_and_the_Box. Curses an entire race for the actions of 3. I wouldn't trust her at all, she's an egotistical [censored].
"'I have studied very much over the years, performed countless experiments, taught myself a thousand languages, and yet the skill that has taught me the finally truth is the one that I learned when I was but a poor, young man, trying only to have enough gold to eat,' whispered the sage.
As he was escorted up the stairs to his bed, a red flower petal fell from the sleeve of his voluminous robe."
That kind of blatantly implies that there WAS a red flower in the box but he used a sleight-of-hand trick to remove it when or before opening the box, not that Azura was wrong.