Habitat:
Rank herbaceous growth in openings and along hiking trail in floodplain forest of Acer saccharinum, A. negundo, Populus deltoides, Quercus macrocarpa, Zanthoxylum americanum.
Occurrence Remarks:
On shaded gravelly roadside embankment. Prostrate, tap-rooted, not rooting at nodes, forming dense round plants to 50 cm in diameter.