Characteristics
Dicots
Triadenum walteri (J. G. Gmel.) Gleason
Greater Marsh St. Johnswort
forb
7
**
Native
TN[SNR] KY[S5] (State Rank)
G5 (Global Rank)
Anther Type
Dorsifixed
Armaments
No
Base Flower Color
Pink; White
Duration
Perennial
Fruit Dehiscence
Yes
Fruit Type
Capsule
Fruit Wet/Dry
Dry
General Ecology
Terrestrial; Mudflat/Wet Woods
Growth Habit
forb
Leaf Arrangement
opposite
Leaf Complexity
simple
Leaf Dissection
0
Leaf Duration
deciduous
Leaf Fragrance
No
Leaf Type
broadleaf
Leaflet Margins
entire
Leaflet Number
0
Moisture Requirements
Hydric; Inundated
Natural Area Presence
PCSF; LGS; DRU; GILES; WOLF
Ovary Position
Superior
Overall Flower Symmetry
Actinomorphic
Perianth Present
Yes
Petal Number
5
Placentation Type
Parietal
Soil Composition
Mineral
Unconsolidated Rock
Yes
Woody Herbaceous
Herbaceous
Classification
MALPIGHIALES
Triadenum walteri (J. G. Gmel.) Gleason - Greater Marsh St. Johnswort
Species Distribution Map
This species has been reported in the counties highlighted in the interactive distribution map below. Click on a county to display 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.
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
Interior River Valleys and Hills
-
Shawnee / Caseyville Hills
Mississippi Alluvial Plain
Mississippi Valley Loess Plains
Synonyms
Specimens and Distribution
Click on an Accession Number to view additional details about the specimen.
Range of years during which specimens were collected: