Triadenum virginicum

ClassificationDicots
FamilyHypericaceae
Family (Traditional)
GenusTriadenum
Species:Triadenum virginicum (L.) Raf.
Common NameVirginia Marsh St. Johnswort
Growth Habitforb
Plant Notes**
CharacteristicsArmaments: No; Milky Sap: No; Photosynthetic: Yes; Stipules: No; Woody Herbaceous: Herbaceous; Natural Area Presence: GILES; 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: White; Carpel Number/Pistil: 3; Fruit Dehiscence: Yes; Fruit Type: Capsule; Fruit Wet/Dry: Dry; Hypanthium Present: No; Ovary Position: Superior; Overall Flower Symmetry: Actinomorphic; Perianth Present: Yes; Pistil Number: 1; Placentation Type: Axillary; Sexuality: monoclinous; Sporangium Arrangement: N/A; Stamen Number: 9
C value 10
StatusNative; TN[SNR] (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

SynonymFull Citation
Elodea campanulata Elodea campanulata
Elodes virginica Elodes virginica

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: Bledsoe (TN), Cannon (TN), Fentress (TN), Giles (TN), Hamilton (TN), Johnson (TN), Overton (TN), Polk (TN), Scott (TN), Van Buren (TN), Warren (TN)

Herbaria represented by specimen data listed below: VDB, HTTU, TENN

Range of years during which specimens were collected: 1985 - 1985

Accession No. (click for full details) County State Coll. Date Collector &
Collection No.
Herbarium &
Herbarium Name Used
TENN-V-0150825 Van Buren Tennessee
TENN
Triadenum virginicum
TENN-V-0150815 Fentress Tennessee
TENN
Triadenum virginicum
TENN-V-0150823 Polk Tennessee
TENN
Triadenum virginicum
TENN-V-0150820 Polk Tennessee
TENN
Triadenum virginicum
TENN-V-0150821 Polk Tennessee
TENN
Triadenum virginicum
TENN-V-0150822 Polk Tennessee
TENN
Triadenum virginicum
TENN-V-0150819 Polk Tennessee
TENN
Triadenum virginicum
TENN-V-0150811 Bledsoe Tennessee
TENN
Triadenum virginicum
TENN-V-0150812 Bledsoe Tennessee
TENN
Triadenum virginicum
HTTU021187 Scott Tennessee
HTTU
Triadenum virginicum
HTTU017440 Johnson Tennessee
HTTU
Triadenum virginicum
HTTU021188 Scott Tennessee
HTTU
Triadenum virginicum
HTTU021186 Scott Tennessee
HTTU
Triadenum virginicum
BRIT118047 Hamilton Tennessee 29 Jul 1985 David H. Webb
5149
VDB
Triadenum virginicum
TENN-V-0150817 Hamilton Tennessee
TENN
Triadenum virginicum
TENN-V-0150824 Van Buren Tennessee
TENN
Triadenum virginicum
TENN-V-0150816 Giles Tennessee
TENN
Triadenum virginicum
TENN-V-0150813 Cannon Tennessee
TENN
Triadenum virginicum
TENN-V-0150814 Fentress Tennessee
TENN
Triadenum virginicum
TENN-V-0150818 Overton Tennessee
TENN
Triadenum virginicum
TENN-V-0150826 Warren Tennessee
TENN
Triadenum virginicum
HTTU021190 Scott Tennessee
HTTU
Triadenum virginicum
HTTU021189 Scott Tennessee
HTTU
Triadenum virginicum
HTTU017442 Tennessee
HTTU
Triadenum virginicum
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