Penstemon alluviorum

Family (Traditional)Scrophulariaceae
SpeciesPenstemon alluviorum Pennell
Common NameLowland beardtongue
Growth Habitforb
Plant NotesHabit: forb; Woody/Herbaceous: herbaceous; Terrestrial/Aquatic: Terrestrial;
Leaf Arrangement: Opposite; Simple/Compound: Simple;
Hypanthium: No; Perianth Absent: No; Fruit Color: ;
*Average C-Value: 7.0
C value 7
StatusNative; AGCP (FACW), EMP (FACW) (NWPL); TN[SNR] KY[S4S5] (State Rank); G4? (Global Rank)
Specimen(s) View and Download Specimen Details »

** Not applicable or data not available.

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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


No synonyms exist for this species.

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), Graves (KY), McCracken (KY), Marshall (KY), Blount (TN), Carroll (TN), Chester (TN), Shelby (TN), Weakley (TN)

Herbaria represented by specimen data listed below: APSC, EKY, TENN, UTM

Range of years during which specimens were collected: 1939 - 2014

Accession No. (click for full details) County State Coll. Date Collector &
Collection No.
Herbarium &
Herbarium Name Used
TENN-V-0193860 Shelby Tennessee
Penstemon alluviorum
TENN-V-0193859 Chester Tennessee
Penstemon alluviorum
APSC0056214 Chester Tennessee
Penstemon alluviorum
APSC0002301 Blount Tennessee 09 Jun 1939 Paul F. Street
Penstemon alluviorum
UTM01706 Weakley Tennessee
Penstemon alluviorum
31234100667888 Graves Kentucky 06 Jun 1984 Raymond Athey
Penstemon alluviorum
APSC0118159 McCracken Kentucky
Penstemon alluviorum
APSC0056520 Marshall Kentucky 20 May 2014 Judy Redden
Penstemon alluviorum
APSC0040532 Carroll Tennessee
Penstemon alluviorum
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