Marshallia tenuifolia
Marshallia tenuifolia, commonly known as narrowleaf Barbara's buttons or slim leaf Barbara's buttons, is a species of perennial flowering plant in the genus "Marshallia" within the sunflower (Asteracea) family. It grows in moist sandy habitats, such as bogs, wet savannahs and low pine woods in the south-east coastal areas of the United States, from the south coast of Georgia along the gulf coast into east Texas. It has a deep taproot, lavender to white flowers and an achene fruit. The disc shaped flowers are fragrant.