Basal leaves: petiole very narrowly winged; blade narrowly ob-lanceolate, usually 0.5-1.5 cm broad, apex acute, glabrous or nearly so on both surfaces (margins and veins pubescent abaxially). Calyces 15-18(-20) mm, glandular-pubescent. Capsules ca. 8(-10) mm. 2n = 48.

Flowering spring. Open, often gravelly or rocky, mainly deciduous woodlands; 0-1200 m; Conn., Del., D.C., Md., Mass., N.H., N.J., N.Y., N.C., Ohio, Pa., R.I., S.C., Tenn., Va., W.Va.