Silene undulata is a robust, perennial herb that can reach heights up to 1,2m tall. It has a ribbed stem with short hairs which is sometimes sticky and sometime not. It has a rosette of leaves at the base of the plant.
Silene undulata bears white to pale pink, scented flowers about 20-40mm in size between October and April and they only open in the late afternoon. Interplant with grassland plants.
Apparently, the plant induces dreams when consumed and is used worldwide for this purpose.