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Photographer: Merel R. Black
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Family Asteraceae
Rudbeckia triloba L. var. triloba
brown-eyed Susan, three-lobed 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)
triloba: tri for "3;" lobus for "lobes"
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| Status: | Native |
| Plant: | erect, biennial/perennial, 1'-5' tall, usually somewhat hairy forb |
| Flower: | head 1" -1 3/4" wide; disk purple/brown, domed to oval 1/3"-1/2" wide; 6-13 yellow to orange rays 1/3"-3/4" long, bracts (phyllaries) without whitish hairs; inflorescence of several to many heads in branched clusters; blooms July-Oct. |
| Fruit: | dry seed with no fluffy pappus |
| Leaf: | sharply toothed or 3-parted, lower leaves widely oval, long-stalked, the upper leaves narrow with short or no stalk |
| Habitat: | full to partial sun; wet to moderate moisture; disturbed sites, woods, prairies; in sandy, loamy soil |
| (Glossary) |
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