close up of white form
cluster of pink form
close up of pink form

Flowers - Apetalous. Sepals petaloid, 5-8, typically white but also pinkish-lilac, to 12mm long, 6mm broad, glabrous, rounded to subacute at apex, obovate to ovate. Stamens many. Filaments to +/-5mm long, white, glabrous. Anthers yellow, to +1.5mm long. Carpels 4-15. Achenes 8(10)-ribbed, to 5mm long,  2mm in diameter, fusiform, glabrous to pubescent.

 Flowering - March - June.

Habitat - Dry open or rocky woods, upland slopes, ridges.

Origin - Native to U.S.