gwen in nightfall?

found a Preserved red iris in Barbarous Shores. it dropd from a chest no keys needed 2 open it... it says it a quest item dose any1 know the quest or has found any other posible links 2 qwen

As far as Wiki knows, its use is unknown at this time.

Before this turns to spam.
Gwen cannot be found beyond Pre-searing

The flower does nothing Closing