Triadenum walteri

ClassificationDicots
FamilyHypericaceae
Family (Traditional)
GenusTriadenum
Species:Triadenum walteri (J. G. Gmel.) Gleason
Common NameGreater Marsh St. Johnswort
Growth Habitforb
Plant Notes**
CharacteristicsArmaments: No; Milky Sap: No; Photosynthetic: Yes; Stipules: No; Woody Herbaceous: Herbaceous; Natural Area Presence: DRU; Natural Area Presence: GILES; Natural Area Presence: LGS; Natural Area Presence: WOLF; Duration: Perennial; General Ecology: Terrestrial; Growth Habit: forb; Moisture Requirements: Hydric; Moisture Requirements: Wetland; Region of Origin: North America; Reproductive Phenology: July; 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; Base Flower Color: White; 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 7
StatusNative; TN[SNR] KY[S5] (State Rank); G5 (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

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: Ballard (KY), Barren (KY), Caldwell (KY), Clinton (KY), Henderson (KY), Hopkins (KY), Laurel (KY), McCreary (KY), Marion (KY), Marshall (KY), Muhlenberg (KY), Todd (KY), Union (KY), Webster (KY), Carroll (TN), Chester (TN), Coffee (TN), Cumberland (TN), Fayette (TN), Fentress (TN), Franklin (TN), Gibson (TN), Giles (TN), Grundy (TN), Hardeman (TN), Hardin (TN), Henry (TN), Humphreys (TN), Lake (TN), McNairy (TN), Marion (TN), Montgomery (TN), Obion (TN), Overton (TN), Putnam (TN), Roane (TN), Robertson (TN), Shelby (TN), Warren (TN), Weakley (TN), White (TN)

Herbaria represented by specimen data listed below: APSC, BEREA, EKY, HTTU, KNK, MEM, TENN, UOS, VDB

Range of years during which specimens were collected: 1968 - 2000

Accession No. (click for full details) County State Coll. Date Collector &
Collection No.
Herbarium &
Herbarium Name Used
31234100502242 Clinton Kentucky 02 Aug 1999 Mark A. Gorton
792
EKY
Triadenum walteri
31234100502275 Henderson Kentucky 09 Oct 1980 Richard H. Hannan
6013
EKY
Triadenum walteri
31234100502267 Clinton Kentucky 21 Aug 1999 Mark A. Gorton
99-1190
EKY
Triadenum walteri
31234100502333 Muhlenberg Kentucky 05 Aug 1980 Richard H. Hannan
4888
EKY
Triadenum walteri
31234100734118 Ballard Kentucky 14 Sep 1983 Marc Evans
8046
EKY
Triadenum walteri
TENN-V-0150875 Shelby Tennessee
TENN
Triadenum walteri
TENN-V-0150849 Henry Tennessee
TENN
Triadenum walteri
TENN-V-0150839 Fayette Tennessee
TENN
Triadenum walteri
TENN-V-0150830 Coffee Tennessee
TENN
Triadenum walteri
TENN-V-0150877 Warren Tennessee
TENN
Triadenum walteri
TENN-V-0150862 Montgomery Tennessee
TENN
Triadenum walteri
TENN-V-0150882 White Tennessee
TENN
Triadenum walteri
TENN-V-0150874 Shelby Tennessee
TENN
Triadenum walteri
TENN-V-0150863 Montgomery Tennessee
TENN
Triadenum walteri
31234100502259 Barren Kentucky 14 Sep 1995 Charles J. Lapham
383
EKY
Triadenum walteri
31234100502390 Union Kentucky 27 Aug 1980 Richard H. Hannan
5241
EKY
Triadenum walteri
31234100502374 McCreary Kentucky 28 Jul 1980 Rob Jacobs
210802
EKY
Triadenum walteri
TENN-V-0150866 Obion Tennessee
TENN
Triadenum walteri
TENN-V-0150861 McNairy Tennessee
TENN
Triadenum walteri
TENN-V-0150872 Roane Tennessee
TENN
Triadenum walteri
TENN-V-0150855 Marion Tennessee
TENN
Triadenum walteri
TENN-V-0150838 Fayette Tennessee
TENN
Triadenum walteri
TENN-V-0150831 Coffee Tennessee
TENN
Triadenum walteri
TENN-V-0150836 Cumberland Tennessee
TENN
Triadenum walteri
TENN-V-0150868 Overton Tennessee
TENN
Triadenum walteri
TENN-V-0150869 Overton Tennessee
TENN
Triadenum walteri
TENN-V-0150870 Overton Tennessee
TENN
Triadenum walteri
APSC0100954 Franklin Tennessee
APSC
Triadenum walteri
31234100502309 Hopkins Kentucky 12 Aug 1980 Richard H. Hannan
5021
EKY
Triadenum walteri
31973000009181 Clinton Kentucky
KNK
Triadenum walteri
TENN-V-0150851 Henry Tennessee
TENN
Triadenum walteri
TENN-V-0150843 Gibson Tennessee
TENN
Triadenum walteri
TENN-V-0150832 Coffee Tennessee
TENN
Triadenum walteri
TENN-V-0150848 Hardin Tennessee
TENN
Triadenum walteri
TENN-V-0150829 Chester Tennessee
TENN
Triadenum walteri
TENN-V-0150827 Tennessee
TENN
Triadenum walteri
TENN-V-0150883 White Tennessee
TENN
Triadenum walteri
TENN-V-0150873 Robertson Tennessee
TENN
Triadenum walteri
HTTU024593 Lake Tennessee
HTTU
Triadenum walteri
BRIT118060 Obion Tennessee 16 Sep 1986 Milo Guthrie
1939
VDB
Triadenum walteri
31234100502382 Union Kentucky 28 Aug 1980 R. Hannan, L. R. Phillippe
05302
EKY
Triadenum walteri
TENN-V-0150850 Henry Tennessee
TENN
Triadenum walteri
TENN-V-0150871 Putnam Tennessee
TENN
Triadenum walteri
TENN-V-0150853 Lake Tennessee
TENN
Triadenum walteri
TENN-V-0150828 Carroll Tennessee
TENN
Triadenum walteri
TENN-V-0150835 Cumberland Tennessee
TENN
Triadenum walteri
TENN-V-0150867 Obion Tennessee
TENN
Triadenum walteri
TENN-V-0150846 Grundy Tennessee
TENN
Triadenum walteri
HTTU024367 Chester Tennessee
HTTU
Triadenum walteri
UOS03388 Franklin Tennessee 17 Sep 1986 R.K. Clements
UOS
Triadenum walteri
HTTU025166 Putnam Tennessee
HTTU
Triadenum walteri
HTTU025164 Putnam Tennessee
HTTU
Triadenum walteri
UOS03391 Coffee Tennessee 20 Sep 2000 Mary P. Priestley
UOS
Triadenum walteri
UOS03390 Coffee Tennessee 20 Sep 2000 Mary P. Priestley
UOS
Triadenum walteri
UOS03387 Franklin Tennessee 01 Oct 1996 Landon E. McKinney
UOS
Triadenum walteri
BRIT118066 Roane Tennessee 22 Aug 1984 B. Eugene Wofford
84-51
VDB
Triadenum walteri
31234100502341 Muhlenberg Kentucky 07 Aug 1980 Richard H. Hannan
4984
EKY
Triadenum walteri
31234100502366 Hopkins Kentucky 14 Aug 1980 Richard H. Hannan
5076
EKY
Triadenum walteri
BEREA015404 Laurel Kentucky
BEREA
Triadenum walteri
TENN-V-0150865 Obion Tennessee
TENN
Triadenum walteri
TENN-V-0150881 White Tennessee
TENN
Triadenum walteri
TENN-V-0150847 Hardeman Tennessee
TENN
Triadenum walteri
TENN-V-0150845 Grundy Tennessee
TENN
Triadenum walteri
TENN-V-0150876 Warren Tennessee
TENN
Triadenum walteri
TENN-V-0150856 Marion Tennessee
TENN
Triadenum walteri
TENN-V-0150857 Marion Tennessee
TENN
Triadenum walteri
TENN-V-0150880 Weakley Tennessee
TENN
Triadenum walteri
UOS03389 Coffee Tennessee 26 Oct 2000 Mary P. Priestley
UOS
Triadenum walteri
APSC0100969 Franklin Tennessee
APSC
Triadenum walteri
HTTU025165 Putnam Tennessee
HTTU
Triadenum walteri
UOS03392 Franklin Tennessee 14 Oct 1985 R.K. Clements
UOS
Triadenum walteri
BRIT118062 Marion Tennessee 21 Sep 1994 Milo Pyne
94-364
VDB
Triadenum walteri
MEM013271 Obion Tennessee 09 Oct 1976 Elizabeth M. Browne, Edward T. Browne Jr.
76H6.3
MEM
Triadenum walteri
31234100502325 Marshall Kentucky 25 May 1997 Timothy J. Weckman
3487
EKY
Triadenum walteri
TENN-V-0150833 Coffee Tennessee
TENN
Triadenum walteri
TENN-V-0150852 Humphreys Tennessee
TENN
Triadenum walteri
TENN-V-0150864 Obion Tennessee
TENN
Triadenum walteri
TENN-V-0150837 Fayette Tennessee
TENN
Triadenum walteri
TENN-V-0150844 Giles Tennessee
TENN
Triadenum walteri
APSC0100964 Franklin Tennessee
APSC
Triadenum walteri
HTTU024586 Lake Tennessee
HTTU
Triadenum walteri
BRIT118059 Lake Tennessee 19 Sep 1986 Milo Guthrie
1449
VDB
Triadenum walteri
MEM005697 Caldwell Kentucky 19 May 1968 Raymond Athey
185
MEM
Triadenum walteri
MEM015219 Gibson Tennessee 06 Jul 1979 Vernon M. Bates Jr.
1616
MEM
Triadenum walteri
31234100502424 Cumberland Tennessee 01 Aug 1987 Ronald L. Jones
5182
EKY
Triadenum walteri
31234100502408 Webster Kentucky 26 Aug 1980 Richard H. Hannan
5197
EKY
Triadenum walteri
TENN-V-0150884 White Tennessee
TENN
Triadenum walteri
TENN-V-0150878 Warren Tennessee
TENN
Triadenum walteri
TENN-V-0150879 Warren Tennessee
TENN
Triadenum walteri
TENN-V-0150842 Franklin Tennessee
TENN
Triadenum walteri
TENN-V-0150841 Fentress Tennessee
TENN
Triadenum walteri
BRIT118061 Lake Tennessee 16 Sep 1986 Milo Guthrie
1383
VDB
Triadenum walteri
31234100502358 Todd Kentucky 16 Sep 1993 Landon E. McKinney
6031
EKY
Triadenum walteri
31234100502317 Marion Kentucky 23 Jun 1981 Richard H. Hannan
7319
EKY
Triadenum walteri
31234100502432 Fentress Tennessee 05 Sep 1987 Ronald L. Jones
5393
EKY
Triadenum walteri
TENN-V-0150859 McNairy Tennessee
TENN
Triadenum walteri
TENN-V-0150860 McNairy Tennessee
TENN
Triadenum walteri
TENN-V-0150840 Fayette Tennessee
TENN
Triadenum walteri
TENN-V-0150858 Marion Tennessee
TENN
Triadenum walteri
TENN-V-0150854 Lake Tennessee
TENN
Triadenum walteri
TENN-V-0150834 Cumberland Tennessee
TENN
Triadenum walteri
HTTU024589 Lake Tennessee
HTTU
Triadenum walteri
BRIT118055 Cumberland Tennessee 08 Sep 1986 B. Eugene Wofford
86-58
VDB
Triadenum walteri
MEM010152 Shelby Tennessee 02 Oct 1971 John E. Thompson Jr.
572
MEM
Triadenum walteri
MEM014255 Fayette Tennessee 18 Oct 1978 James R. Browne
78P3.8
MEM
Triadenum walteri
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