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Photographer: Emmet J. Judziewicz
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Family Asteraceae
Rudbeckia subtomentosa Pursh
sweet black-eyed Susan, sweet coneflower
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)
subtomentosa: sub for "below, almost, less so than a similar plant;" tomentum for "hairy"
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| Status: | Native |
| Plant: | erect, perennial, 2'-6' tall forb; stems with dense, short hairs near the top and smooth below |
| Flower: | head 1 1/2" - 4" wide; disk purple/brown, 1/3" - 2/3" wide, not elongating in time; 12-21 yellow rays 3/4"- 1 1/2" long; bracts (phyllaries) with whitish hairs near the tips; inflorescence of several to many heads in branched clusters; blooms July-Oct. |
| Fruit: | dry seed with no fluffy pappus |
| Leaf: | oval to elliptical, hairy especially below, stalked, toothed, the larger ones deeply 3-lobed |
| Habitat: | full to partial sun; wet to moderate moisture; prairies, meadows; in sandy, loamy soil |
| (Glossary) |
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