Robert W. Freckmann Herbarium


  Rudbeckia triloba L. var. triloba image
Photographer: Merel R. Black           

Emmet J. Judziewicz

Hugh H. Iltis

John M. Schoeneker

Merel R. Black

Christopher Noll

Paul Drobot

Paul Drobot

Paul Drobot

Janice Stiefel

Janice Stiefel
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"
County distribution map- click for detailed distribution maps.
Detailed Distribution:
Town Range Maps
Google Dot Maps
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)

More Information Natural Communities Herbarium Specimens
All Rudbeckia list Ethnobotany Information Google- Images or Text

Flora of North America (off site)
Synonyms 
There are no synonyms for this taxon.

         
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