Examining this item will tell you "This small flower bulb contains a concentrated liquid which can be used to clean items of clothing produced within Ethernere." and will pop up a window with the same text and the options "Rub bumb on the tattered Convert of the Silver Reaper robe." and "Put the bulb away." Using the bulb will use all the bulbs currently in your inventory and count them towards the quest goal.
EQ2i credits this article at Census for the info in this article. the last update on Census for this item was: Tue, 25 Jul 2017 15:31:38 +0000