Lespedeza repens

Lespedeza repens, common names creeping lespedeza, creeping bush-clover, and trailing lespedeza, is a plant native to the eastern and central United States and northeastern Mexico. It is listed as a species of special concern in Connecticut and as rare in New York. It is a perennial herb which blooms May to September. Its habitats include open woods, clearings, and thickets.
The stems of L. repens grow up to 1 meter in length. Its leaves get smaller as they progress towards the tips of the stem.