Stems rarely branched, zigzag, 1 to 3 feet high, smooth and angled. Leaves ovate, long pointed at the apex, thin in texture, narrowed and usually abruptly so at the base into margined petioles, smooth or slightly pubescent on the under surface, the margins sharply toothed. Heads of flowers about one-fourth of an inch high in short, axillary, racemose clusters, rarely also in a narrow terminal thyrsus; bracts of the involucre blunt or pointed, appressed.
In rich woods and thickets, Nova Scotia to New Brunswick and Minnesota, south to Georgia, Tennessee and Missouri. Flowering in late summer, usually from July to September.
Memoir 15 N. Y. State Museum
Zigzag Or Broad-Leaved Goldenrod - Solidago flexicaulis