Fls 5-merous, 4-6 mm, distinctly pediceled in small head- like umbels; cal much shorter than the relatively long cor-tube, its lobes triangular-ovate to broadly ovate, very obtuse, cor-lobes broadly ovate, erect or eventually reflexed in fr; styles 1.2-2.5 mm; stigma capitate; fr loosely cupped by the persistent cor and protruding from it, broadly ovoid, 4-5 mm, with a short stout beak ca 1-1.5 mm, but without a thickened collar; seeds (1)2-4, 2-3 mm. Mts. from W.Va. to S.C.
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.