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In woodlands with Acer saccharum, Asarum canadense, Carya cordiformis, Fraxinus americana, Impatiens capensis, Laportea canadensis, Parthenocissus quinquefolia, Phlox divaricata, Prunus serotina, Quercus alba, Quercus rubra, Rhus radicans, Sanguinaria canadensis, Tilia americana, Ulmus americana, Ulmus rubra, Viola pubescens.
Herbaceous perennial to 6' high. Principle stem leaves whorled, rarely more than 4 per whorl, broadly elliptic to ovate, sharply serrate. Stems glaucous, to 2m high, pithy throughout of with slender center cavity, less than 6mm in diameter 1cm below the principle bracteal whorl. Flowers pale pink-purple. Heads fewer than 8-flowered. Inflorescences hemispherical or convex.
Flowers early July to early September
Wetland indicator: Upland
Prospers in woods that have been burned. Also called sweet joe-pye-weed because it emits a sweet odor when crushed.
Swink, F. and G. Wilhelm. 1994. Plants of the Chicago Region.
Indiana Academy of Science. The Morton Arboretum. Lisle, Illinois.
Michael Hough © 2004