Rudbeckia hirta var. pulcherrima

Family (Traditional)Asteraceae
Species: Rudbeckia hirta
Infraspecies:Rudbeckia hirta Farw. var. pulcherrima
Common NameBlackeyed Susan
Growth Habitforb
Plant Notes**
CharacteristicsArmaments: No; Milky Sap: No; Photosynthetic: Yes; Stipules: No; Woody Herbaceous: Herbaceous; Duration: Biennial; Duration: Perennial; General Ecology: Terrestrial; Growth Habit: forb; Region of Origin: North America; Reproductive Phenology: July; Reproductive Phenology: August; Reproductive Phenology: September; Reproductive Phenology: October; Leaf Arrangement: alternate; Leaf Arrangement: basal; Leaf Complexity: simple; Leaf Fragrance: No; Leaf Persistance: Deciduous; Leaf Type: broadleaf; Leaflet Number: 0; Anther Type: Basifixed; Base Flower Color: Brown (incl. Maroon); Base Flower Color: Purple; Base Flower Color: Yellow; Carpel Number/Pistil: 1; Fruit Complexity: Simple; Fruit Dehiscence: No; Fruit Type: Cypsela; Fruit Wet/Dry: Dry; Hypanthium Present: No; Inflorescence Position: terminal; Inflorescence Types: corymb/cyme/umbel; Inflorescence Types: head; Inflorescence Types: solitary; Ovary Position: Inferior; Overall Flower Symmetry: Actinomorphic; Overall Flower Symmetry: Zygomorphic; Ovules per Carpel: 1; Perianth Present: Yes; Petal Fusion: Yes; Petal Number: 5; Pistil Complexity: Simple; Pistil Number: 1; Placentation Type: Basal; Sepal Fusion: N/A; Sepal Number: N/A; Sexuality: monoclinous; Sporangium Arrangement: N/A; Stamen Number: 5; Tepal Number: N/A
C value 2
StatusNative; TN[SNR] KY[SNR] (State Rank); G5T5 (Global Rank)
Specimen(s) View and Download Specimen Details »

** Not applicable or data not available.

Currently no photos are available for this plant.

Species Distribution Map

This species has been reported in the counties highlighted in the interactive distribution map below. Click on a county to display the its name. Click the question mark icon () to view additional information about the ecoregions shown. In the map legend, there are links to toggle the visibility of the ecoregions and/or their labels. In addition, clicking on an ecoregion name will highlight that region on the map.

  • State Boundaries
  • Counties
  • Counties - Species Present
  • Southeastern Plains
    • Blackland Prarie
  • Blue Ridge Mountains
  • Ridge and Valley
  • Cumberland Plateau
  • Cumberland Mountains
  • Allegheny Plateau
  • Interior Plateau
    • Bluegrass Region
    • Nashville Basin
    • Pennyroyal Karst Plain
    • Western Highland Rim
    • Eastern Highland Rim


SynonymFull Citation
Rudbeckia bicolor Rudbeckia bicolor Nutt.
Rudbeckia hirta var. corymbifera Rudbeckia hirta var. corymbifera Fernald
Rudbeckia hirta var. lanceolata Rudbeckia hirta var. lanceolata (Bisch.) Core
Rudbeckia hirta var. sericea Rudbeckia hirta var. sericea (T.V.Moore) Fernald
Rudbeckia hirta var. serotina Rudbeckia hirta var. serotina (Nutt.) Core
Rudbeckia longipes Rudbeckia longipes Greene
Rudbeckia sericea Rudbeckia sericea Greene
Rudbeckia serotina Rudbeckia serotina (Nutt.) Sweet
Rudbeckia serotina var. corymbifera Rudbeckia serotina var. corymbifera (Fernald) Fernald & B.G.Schub.
Rudbeckia serotina var. lanceolata Rudbeckia serotina var. lanceolata (Bisch.) Fernald & B.G.Schub.
Rudbeckia serotina var. sericea Rudbeckia serotina var. sericea (T.V.Moore) Fernald & B.G.Schub.

Specimens and Distribution

This species has been reported in the following counties by the herbaria listed. An overview of the individual specimens are provided in the table that follows. Click on the accession number to view details; click on column headers to sort.

Counties included on distribution map: Calloway (KY), Carlisle (KY), Franklin (KY), Campbell (TN), Putnam (TN), Washington (TN)

Herbaria represented by specimen data listed below: EKY, ETSU, HTTU

Range of years during which specimens were collected: 1981 - 1981

Accession No. (click for full details) County State Coll. Date Collector &
Collection No.
Herbarium &
Herbarium Name Used
ETSU012885 Tennessee
Rudbeckia bicolor
HTTU003786 Putnam Tennessee
Rudbeckia serotina
31234100285384 Franklin Kentucky 09 Jul 1981 J. MacGregor
Rudbeckia serotina
HTTU003784 Carlisle Kentucky
Rudbeckia serotina
ETSU012887 Washington Tennessee
Rudbeckia bicolor
HTTU003788 Putnam Tennessee
Rudbeckia serotina
ETSU008104 Campbell Tennessee
Rudbeckia serotina
ETSU012886 Washington Tennessee
Rudbeckia bicolor
HTTU003785 Calloway Kentucky
Rudbeckia serotina
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