Triadenum tubulosum

ClassificationDicots
FamilyHypericaceae
Family (Traditional)
GenusTriadenum
Species:Triadenum tubulosum (Walter) Gleason
Common NameLesser Marsh St. Johnswort
Growth Habitforb
Plant Notes**
CharacteristicsArmaments: No; Milky Sap: No; Photosynthetic: Yes; Stipules: No; Woody Herbaceous: Herbaceous; Natural Area Presence: BE; Duration: Perennial; General Ecology: Terrestrial; Growth Habit: forb; Moisture Requirements: Hydric; Moisture Requirements: Wetland; Region of Origin: North America; Reproductive Phenology: August; Reproductive Phenology: September; Leaf Arrangement: opposite; Leaf Complexity: simple; Leaf Dissection: 0; Leaf Persistance: Deciduous; Leaf Type: broadleaf; Leaflet Number: 0; Anther Type: Dorsifixed; Base Flower Color: Pink; Fruit Dehiscence: Yes; Fruit Type: Capsule; Fruit Wet/Dry: Dry; Hypanthium Present: No; Ovary Position: Superior; Overall Flower Symmetry: Actinomorphic; Perianth Present: Yes; Sporangium Arrangement: N/A
C value 6
StatusNative; TN[SNR] KY[S5] (State Rank); G4? (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
Ecoregions
  • 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

Synonyms

SynonymFull Citation
Triadenum tubulusum Triadenum tubulusum (Walter) Gleason

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: Adair (KY), Barren (KY), Bath (KY), Calloway (KY), Daviess (KY), Fleming (KY), Laurel (KY), McLean (KY), Ohio (KY), Owen (KY), Powell (KY), Rowan (KY), Webster (KY), Bledsoe (TN), Coffee (TN), Decatur (TN), Hardeman (TN), Lauderdale (TN), Tipton (TN)

Herbaria represented by specimen data listed below: BEREA, EKY, MDKY, TENN, VDB

Range of years during which specimens were collected: 1970 - 2000

Accession No. (click for full details) County State Coll. Date Collector &
Collection No.		 Herbarium &
Herbarium Name Used
31234100502200 Webster Kentucky 26 Aug 1980 Richard H. Hannan
5196		 EKY
Triadenum tubulosum
31234100502101 Adair Kentucky 25 Aug 1988 Bruce Hoagland
576		 EKY
Triadenum tubulosum
31234100502150 Laurel Kentucky 02 Oct 1999 Amanda N. Allen
68		 EKY
Triadenum tubulosum
31234100502119 Barren Kentucky 29 Sep 1970 Kenneth A. Nicely
3127		 EKY
Triadenum tubulosum
31234100502127 Daviess Kentucky 04 Sep 1980 Richard H. Hannan
5372		 EKY
Triadenum tubulosum
31234100502184 Ohio Kentucky 25 Sep 1980 Richard H. Hannan
5622		 EKY
Triadenum tubulosum
31234100745734 Powell Kentucky 18 Sep 1988 Ross C. Clark
22080		 EKY
Triadenum tubulosum
31234100502093 Bledsoe Tennessee 11 Aug 1987 Ronald L. Jones
5325		 EKY
Triadenum tubulosum
31234100502143 Laurel Kentucky 11 Sep 1978 Richard H. Hannan
 EKY
Triadenum tubulosum
N/A McLean Kentucky 22 Sep 1980 Richard H. Hannan
5530		 EKY
Triadenum tubulosum
31234100502218 Ohio Kentucky 26 Sep 1980 R. Hannan, L. Phillippe
5664		 EKY
Triadenum tubulosum
31234100502135 Fleming Kentucky 09 Oct 2000 Kim Feeman
1507		 EKY
Triadenum tubulosum
31234100502077 McLean Kentucky 24 Sep 1980 Richard H. Hannan
5580		 EKY
Triadenum tubulosum
31234100502176 McLean Kentucky 24 Sep 1980 Richard H. Hannan
5580		 EKY
Triadenum tubulosum
31234100502168 McLean Kentucky 22 Sep 1980 R. Hannan, L. Phillippe
5530		 EKY
Triadenum tubulosum
31234100502192 Ohio Kentucky 26 Sep 1980 Richard H. Hannan
5664		 EKY
Triadenum tubulosum
31234100502085 Owen Kentucky 10 Sep 1975 William M. Meijer
 EKY
Triadenum tubulosum
BEREA015402 Laurel Kentucky
BEREA
Triadenum tubulosum
BEREA015400 Laurel Kentucky
BEREA
Triadenum tubulosum
BEREA015401 Laurel Kentucky
BEREA
Triadenum tubulosum
BEREA015399 Laurel Kentucky
BEREA
Triadenum tubulosum
MDKY00009528 Fleming Kentucky
MDKY
Triadenum tubulosum
MDKY00009530 Rowan Kentucky
MDKY
Triadenum tubulosum
MDKY00009529 Rowan Kentucky
MDKY
Triadenum tubulosum
MDKY00009531 Bath Kentucky
MDKY
Triadenum tubulosum
TENN-V-0150809 Lauderdale Tennessee
TENN
Triadenum tubulosum
TENN-V-0150807 Decatur Tennessee
TENN
Triadenum tubulosum
TENN-V-0150806 Coffee Tennessee
TENN
Triadenum tubulosum
TENN-V-0150925 Calloway Kentucky
TENN
Triadenum tubulosum
TENN-V-0150805 Coffee Tennessee
TENN
Triadenum tubulosum
TENN-V-0150810 Tipton Tennessee
TENN
Triadenum tubulosum
TENN-V-0150808 Decatur Tennessee
TENN
Triadenum tubulosum
BRIT118043 Hardeman Tennessee 08 Aug 1978 Paul Somers
1369		 VDB
Triadenum tubulosum
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