sentences:  These include unusually large follicles and seeds; seeds that are set within the seed wings rather than along the base or one side; and unusual double wings that are attached to each side of the seed.In addition, the species has extremely long involucral bracts, and floral bracts that enlarge more than any other species.Recognising the need for this species to be placed in its own subgenus, George resurrected "Diplophragma", promoting it to subgenus rank as "D." subg.