Coefficient of Conservatism:
Coefficient of Wetness:
Moist shores, marshes, meadows, prairies, river and stream margins; savannas and thickets, floodplains (forested or grassy).
Our specimens, almost without exception, have gland-tipped hairs on the calyx, ranging from sparse to abundant. Such plants with glandular calyces have been called var. occidentale (A. Gray) E. M. McClint. & Epling [= T. occidentale A. Gray]. The corolla is normally pale pink, but white-flowered plants do occur in Michigan.