Commelina diffusa var. diffusa

Family: Commelinaceae
Common Names: Climbing Dayflower

Native to USA: AL, AR, DC, DE, FL, GA, IL, IN, KS, KY, LA, MD, MO, MS, NC, NJ, NY, OH, OK, PA, SC, TN, TX, VA, VT, WV + PR, VI
Introduced to USA: HI

Additional Resources:
Flora of North America