Symphyotrichum praealtum var. praealtum

Family (Traditional)Asteraceae
Species: Symphyotrichum praealtum
Infrapecies:Symphyotrichum praealtum (Poir.) G. L. Nesom var. praealtum
Common NameWillowleaf Aster; Willow Aster
Growth Habitforb
Plant Notes**
CharacteristicsArmaments: No; Milky Sap: No; Photosynthetic: Yes; Stipules: No; Woody Herbaceous: Herbaceous; Duration: Perennial; General Ecology: Terrestrial; Growth Habit: forb; Region of Origin: North America; 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 Petiole Type: petiolate; Leaf Petiole Type: sessile; Leaf Petiole Type: subpetiolate; Leaf Type: broadleaf; Leaflet Margins: entire; Leaflet Number: 0; Anther Type: Basifixed; Base Flower Color: Blue; Base Flower Color: Purple; Base Flower Color: White; 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: head; 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 6
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
Aster caerulescens Aster caerulescens
Aster novi-belgii var. litoreus Aster novi-belgii var. litoreus A.Gray
Aster praealtus Aster praealtus Poir.
Aster praealtus var. angustior Aster praealtus var. angustior Wiegand
Aster praealtus var. caerulescens Aster praealtus var. caerulescens
Aster praealtus var. coerulescens Aster praealtus var. coerulescens
Aster praealtus var. imbricatior Aster praealtus var. imbricatior Wiegand
Aster praealtus var. texicola Aster praealtus var. texicola Wiegand
Aster salicifolius Aster salicifolius Ait.
Symphyotrichum novi-belgii var. litoreum Symphyotrichum novi-belgii var. litoreum (A.Gray) G.L.Nesom
Symphyotrichum praealtum var. texicola Symphyotrichum praealtum var. texicola (Wiegand) G.L.Nesom

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: Bell (KY), Madison (KY), Roane (TN)

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

Range of years during which specimens were collected: 1982 - 1982

Accession No. (click for full details) County State Coll. Date Collector &
Collection No.
Herbarium &
Herbarium Name Used
ETSU013321 Tennessee
Aster praealtus
31234100259751 Madison Kentucky 01 Oct 1982 Ronald L. Jones
Aster praealtus
TENN-V-0223366 Bell Kentucky
Aster praealtus
TENN-V-0223398 Roane Tennessee
Aster praealtus
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