Photo credit: Robert H. Mohlenbrock @ USDA-NRCS PLANTS Database / USDA NRCS. 1995. Northeast wetland flora: Field office guide to plant species. Northeast National Technical Center, Chester.
Good late season color for a shady area. The yellow flowers appear in leaf axils along the stem. Grows best in dry to moist, well-drained soils in full sun to part shade.
For more information on this plant, visit the USDA PLANTS Database: http://plants.usda.gov/java/profile?symbol=SOCA4