Robert W. Freckmann Herbarium


  Rudbeckia hirta L. var. pulcherrima Farw. image
Photographer: Merel R. Black           

Botanical Illustration

Botanical Illustration

Botanical Illustration

Richard Bauer

Caroline A. Creevey

Kenneth J. Sytsma

Matthew L. Wagner

Matthew L. Wagner

Merel R. Black

Paul Drobot

Paul Drobot

Robert R. Kowal
Family Asteraceae
Rudbeckia hirta L. var. pulcherrima Farw.
black-eyed Susan
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)
hirta: rough
Hazardous hazard symbol- click for definition
County distribution map- click for detailed distribution maps.
Detailed Distribution:
Town Range Maps
Google Dot Maps
Status: Native
Plant: erect, biennial/perennial, 1'-3' tall, very hairy forb
Flower: head 2"-3" wide; dark brown, domed disk 1/2"-3/4" wide; 8-21 yellow, 3/4"- 1 1/2" long rays, bracts (phyllaries) with coarse hairs; inflorescence with a long-stalked, solitary heads; blooms June-Oct.
Fruit:dry seed with no fluffy pappus
Leaf:either entire or with fine teeth, lower leaves lance-like up to 1" wide and 5 times as long, the upper becoming more linear
Habitat: full to partial sun; dry, moderate moisture to wet; prairies, meadows, roadsides; 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 
Rudbeckia bicolor Nutt.
Rudbeckia hirta L. var. corymbifera Fernald
Rudbeckia hirta L. var. lanceolata (Bisch.) Core
Rudbeckia hirta L. var. sericea (T.V.Moore) Fernald
Rudbeckia hirta L. var. serotina (Nutt.) Core
Rudbeckia lanceolata Bisch.
Rudbeckia longipes T.V.Moore
Rudbeckia serotina Nutt.
Rudbeckia sericea T.V.Moore
Rudbeckia serotina Nutt. var. corymbifera (Fernald) Fernald & B.G.Schub.
Rudbeckia serotina Nutt. var. lanceolata (Bisch.) Fernald & B.G.Schub.
Rudbeckia serotina Nutt. var. sericea (T.V.Moore) Fernald & B.G.Schub.

         
  Home
Faculty
Botany News/Events
Projects
Book We Recommend
Historical Botanists
Other Links
Botanical Club of Wisconsin (off site)
UW-Stevens Point Biology Dept.
 
Plants of Wisconsin
Vascular Plants
Bryophytes
Ethnobotany
Natural Communities
Botany News/Events
Other Links
Lichens (off site)   
Tom Volk's Fungi (off site)
Taxonomy of Vascular Plants
                          Vascular Plants
Browse by Identification Guides
Family Wildflowers
Genus Trees
Common Names Shrubs
Search by Vines
Names Aquatic-Semi aquatic
Specimens Ferns - Fern Allies
Blooming Times Grasses, Sedges, or Rushes
County & Status Other Resources  
Town Range Taxonomy of Vascular Plants
  WI Checklist & CofC Values
Bryophytes
Browse by:
Common Name
Genus
Search by:
County
 Name
Copyright 2012 Permissions Contact Us Web Map