bigleaf grass-of-parnassus

Parnassia grandifolia, also known as bigleaf grass of Parnassus, is a flowering herbaceous plant of the family Celastraceae.

It is native to the southeastern United States, where it has a spotty distribution. Its primary habitat is open wet areas over calcareous soil, such as fens and gravelly seeps. However, in the Gulf Coastal Plain it is found in bogs and areas of wet savanna.