from The Century Dictionary.
- noun A name given to various plants used as remedies for dysentery.
Sorry, no etymologies found.
Its section on plants describes the uses and behaviour of fluxweed, honking daffodils and whomping willows, and reconstructs seven years of the "herbology" curriculum at Hogwarts.
"Lacewing flies, leeches, fluxweed, and knotgrass," she murmured, running her finger down the list of ingredients.
"Well, since the fluxweed has got to be picked at the full moon and the lacewings have got to be stewed for twenty-one days ...