Style ± terete or slightly swollen distally; stigma lobes recurved, distinctly grooved distally. Capsules: apex distinctly apiculate. 2n = 48. Flowering spring. Wooded slopes, ravines; 0--300 m; Ala., Ga., Miss., Tenn. C. R. Parks and J. W. Hardin (1963) indicated that subsp. harperi may represent merely a southern race of E. americanum, but that the transition seems to be more abrupt than expected in a cline.