Potamogeton amplifolius

ClassificationMonocots
FamilyPotamogetonaceae
Family (Traditional)Potamogetonaceae
GenusPotamogeton
Species:Potamogeton amplifolius Tuck.
Common NameLargeleaf Pondweed
Growth Habitforb
Plant Notes**
CharacteristicsArmaments: No; Milky Sap: No; Photosynthetic: Yes; Stipules: Yes; Woody Herbaceous: Herbaceous; Duration: Perennial; General Ecology: Aquatic; Growth Habit: forb; Moisture Requirements: Hydric; Moisture Requirements: Wetland; Region of Origin: North America; Reproductive Phenology: June; Reproductive Phenology: July; Reproductive Phenology: August; Reproductive Phenology: September; Leaf Arrangement: alternate; Leaf Arrangement: floating; Leaf Arrangement: opposite; Leaf Arrangement: submerged; Leaf Arrangement: subopposite; Leaf Complexity: simple; Leaf Dissection: 0; Leaf Fragrance: No; Leaf Persistance: Deciduous; Leaf Petiole Type: petiolate; Leaf Type: broadleaf; Leaf Type: grass-like; Leaf Venation: parallel; Leaflet Margins: entire; Leaflet Number: 0; Anther Type: Basifixed; Base Flower Color: Brown (incl. Maroon); Base Flower Color: Green; Carpel Number/Pistil: 1; Fruit Dehiscence: No; Fruit Type: Achene; Fruit Type: Drupe; Fruit Wet/Dry: Dry; Fruit Wet/Dry: Wet; Hypanthium Present: No; Inflorescence Position: terminal; Inflorescence Types: spike; Ovary Position: Superior; Overall Flower Symmetry: Actinomorphic; Perianth Present: Yes; Petal Fusion: No; Petal Number: 0; Pistil Complexity: Simple; Pistil Number: 4; Placentation Type: Basal; Placentation Type: Marginal; Sepal Fusion: No; Sepal Number: 4; Sexuality: monoclinous; Sporangium Arrangement: N/A; Stamen Number: 4; Tepal Fusion: No; Tepal Number: 0
C value 7
StatusNative; AGCP (OBL), EMP (OBL) (NWPL); TN[S1] KY[S1?] (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: Pulaski (KY), Blount (TN), Cumberland (TN), Loudon (TN), Monroe (TN), Warren (TN)

Herbaria represented by specimen data listed below: APSC, KNK, TENN

Range of years during which specimens were collected: -

Accession No. (click for full details) County State Coll. Date Collector &
Collection No.		 Herbarium &
Herbarium Name Used
31973000017399 Pulaski Kentucky
KNK
Potamogeton amplifolius
TENN-V-0012950 Monroe Tennessee
TENN
Potamogeton amplifolius
TENN-V-0012946 Blount Tennessee
TENN
Potamogeton amplifolius
APSC0071911 Cumberland Tennessee
APSC
Potamogeton amplifolius
APSC0071910 Cumberland Tennessee
APSC
Potamogeton amplifolius
TENN-V-0012949 Loudon Tennessee
TENN
Potamogeton amplifolius
APSC0053191 Cumberland Tennessee
APSC
Potamogeton amplifolius
APSC0055362 Cumberland Tennessee
APSC
Potamogeton amplifolius
TENN-V-0012948 Cumberland Tennessee
TENN
Potamogeton amplifolius
APSC0055451 Cumberland Tennessee
APSC
Potamogeton amplifolius
TENN-V-0012945 Warren Tennessee
TENN
Potamogeton amplifolius
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