Hydrocotyle americana

ClassificationDicots
FamilyAraliaceae
Family (Traditional)Araliaceae
GenusHydrocotyle
Species:Hydrocotyle americana L.
Common NameAmerican Marshpennywort
Growth Habitforb
Plant Notes**
CharacteristicsArmaments: No; Milky Sap: No; Photosynthetic: Yes; Stipules: Yes; Woody Herbaceous: Herbaceous; Natural Area Presence: GRSM; Duration: Perennial; General Ecology: Mudflat; General Ecology: Terrestrial; Growth Habit: forb; Moisture Requirements: Mesic-Hydric; 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: basal; Leaf Complexity: simple; Leaf Dissection: 0; Leaf Fragrance: No; Leaf Persistance: Deciduous; Leaf Petiole Type: petiolate; Leaf Type: broadleaf; Leaf Venation: palmate; Leaflet Margins: dentate; Leaflet Margins: lobed; Leaflet Number: 0; Base Flower Color: White; Carpel Number/Pistil: 2; Carpel Number/Pistil: 5; Fruit Dehiscence: No; Fruit Type: Schizocarp; Fruit Wet/Dry: Dry; Ovary Position: Inferior; Overall Flower Symmetry: Actinomorphic; Ovules per Carpel: 2; Perianth Present: Yes; Petal Fusion: No; Petal Number: 5; Pistil Complexity: Compound; Pistil Number: 1; Placentation Type: Axillary; Sepal Fusion: No; Sepal Number: 0; Sepal Number: 5; Sexuality: monoclinous; Sporangium Arrangement: N/A; Stamen Number: 5; Tepal Fusion: N/A; Tepal Number: 0
C value 10
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.

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: McCreary (KY), Pulaski (KY), Greene (TN), Scott (TN), Van Buren (TN), Washington (TN)

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

Range of years during which specimens were collected: 1987 - 1987

Accession No. (click for full details) County State Coll. Date Collector &
Collection No.
Herbarium &
Herbarium Name Used
TENN-V-0159316 Washington Tennessee
TENN
Hydrocotyle americana
APSC0077552 McCreary Kentucky 05 Jul 1987 Max Medley
APSC
Hydrocotyle americana
TENN-V-0159314 Van Buren Tennessee
TENN
Hydrocotyle americana
31234100746740 Pulaski Kentucky Martina Hines
EKY
Hydrocotyle americana
TENN-V-0159315 Van Buren Tennessee
TENN
Hydrocotyle americana
TENN-V-0159313 Scott Tennessee
TENN
Hydrocotyle americana
31234100210952 McCreary Kentucky Max E. Medley
EKY
Hydrocotyle americana
TENN-V-0159310 Greene Tennessee
TENN
Hydrocotyle americana
TENN-V-0159312 Greene Tennessee
TENN
Hydrocotyle americana
TENN-V-0159311 Greene Tennessee
TENN
Hydrocotyle americana
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Plant Photos

Hydrocotyle americana - Joey Shaw
Hydrocotyle americana - Joey Shaw