Cuphea crassiflora; Lythraceae

Cuphea crassiflora S.A.GrahamIn low wet roadside ditch and clearings, red sandy clay soil, pH 6.5; Upper petals deep purple, lower petals pale purple. Abundant, very viscid pubescent. Growing with C. palmeri but in lower, wetter areas with C. palmeri along higher roadside banks, but occasionally intermixed. Readily distinguishable when sympatric