wild bean, Strophostyles helvola

Is this flower upside down? Sometimes with sprawling and twining plants like this, they seem to lose track. Ordinarily the lower petal here, the banner of pea family flowers, would be up. But on this particular day, this was the best shot. Also called amberique-bean or fuzzy bean, this most often grows near shores in AL, AR, CT, DE, FL, GA, IA, IL, IN, KS, KY, LA, MA, MD, ME, MI(SC), MN, MO, MS, NC, NE, NJ, NY, OH, OK, PA, RI, SC, SD, TN, TX, VA, WI, WV, ON, and QC(L). Sterling State Park, Monroe Co, MI, 8/15/15.