This section is from the book "Harper's Guide To Wild Flowers", by Caroline A. Creevey. Also available from Amazon: Harper's Guide To Wild Flowers.
Family, Rose. Color, pink, rarely white. Calyx, 4 to 5-lobed. Corolla, of 4 or 5 petals inserted upon the top of the calyx-lobe. Stamens, many. Flowers, clustered in a dense terminal panicle composed of separate, short racemes Leaves, ovate or oval, 1 to 2 inches long, serrate, short-petioled, with the stem and petioles covered with a reddish, thick wool. Stem, stiff and brittle. July to September.
Low grounds, roadsides and fields. New England to Georgia and westward to Kansas. The leaves are covered with white hairs underneath.
 
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