Butterwort

Common butterwort is a perennial carnivorous plant of damp ground such as bogs, with a rosette of sticky, yellow-green leaves that trap and digest insects and a single purple, funnel-shaped flower on a leafless stem. Wikipedia says it grows in low or subalpine places and rests through winter as a bud. Kynes is the only magical source. She says it was regarded as magically powerful in the Scottish Highlands, an all-purpose protector against witches, faeries, hunger, drowning and lack of love, and was used with gorse and juniper as a charm against witchcraft. It is one of two plants thought to be the Scottish mothan. In Ireland a cow that ate butterwort was believed safe from faery spells, and cheese from its milk passed the protection on. Under a Norwegian pillow it was said to bring dreams of a person. To clear negative energy she hangs a ring of tied flowers in the home.