It is steeped in the juice of the purple lotus which grows in the ghost-haunted swamps of southern Stygia, said the magician.> - The Scarlet Citadel
The purple lotus plant, which grows in the southern swamps of Stygia, is a favorite weapon of sorcerers. The juice of the plant causes a temporary paralysis - a seemingly sorcerous effect that does not require the actual use of sorcery.
What effect the dried powder of the flower will have, is unknown.