The tuber of this plant is edible and very crisp; it adds texture to salads.  The tuber has a segmented appearance reminiscent of a rattlesnake tail. , Tolerance, Not salt tolerant of inundation by salty or brackish water. Low/no tolerance of salty wind or direct salt spray , Considertions, Quite aggressive in the landscape and difficult to get rid of because of its deep tubers. , Habitat, Moist-wet disturbed sites. Flatwoods. , Did You Know?, Showy flowers Attracts bees and butterflies.