The Flower Man would have been a plant-human hybrid.[1] It is unknown how this monster would have behaved or where it would have been encountered. There is also a chance that the Flower Man and other plant-human hybrids would have been related to the cut Greenhouse area.
References[]
↑ 1.01.1"Initially, monsters in Amnesia: TDD were meant to be disgusting plant-human hybrids. Some idea were: - Fish-face - Headless brute - Puking baby-plant - Flower-man #Amnesia10Years" - Frictional Games. September 8, 2020.Twitter.