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Etymology: Rudbeckia: named after the Swedish father and son who were professors of botany and predecessors of Linnaeus, O.J. Rudbeck (1630-1702) and O.O. Rudbeck (1660-1740)
Plants: erect, perennial, 2'-10' tall forb; stems entirely smooth Leaves: large, stalked, lower deeply pinnately-divided Flowers: head 1 1/4" - 2 1/4" wide; disk yellow to gray, 1/4" - 3/4" wide, domed but elongating to 1"; 6-16 drooping, yellow rays; bracts (phyllaries) with whitish hairs near the tips; inflorescence of several to many heads in branched clusters; blooms July-Sept. Fruits: dry seed with no fluffy pappus Habitat: full to partial sun; moist; woods, forests, shores, streambanks; in sandy, loamy soil Conservation Status: Native |
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© Wisconsin State Herbarium, UW-Madison
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