This plant is a legume and its roots have nitrogen-fixing nodules on them. It is useful on nutrient poor soils. Treat as a small shrub or use as a ba , Tolerance, Not salt tolerant of inundation by salty or brackish water. Low/no tolerance of salty wind or direct salt spray , Considertions, Toxic to livestock and humans. , Wildlife, Deer and rabbits browse the foliage, and as a legume it provides nutritious, protein-rich food. , Habitat, Sandhill , Did You Know?, Showy flowers Larval host for wild indigo duskywing (Erynnis baptisiae) and Zarucco duskywing (Erynnis zarucco) butterflies. Pollinated by bumble bee