Sagittaria platyphylla

Family (Traditional)Alismataceae
Species:Sagittaria platyphylla (Engelm.) J. G. Sm.
Common NameDelta Arrowhead
Growth Habitforb
Plant Notes**
CharacteristicsArmaments: No; Milky Sap: No; Photosynthetic: Yes; Stipules: No; Woody Herbaceous: Herbaceous; Duration: Perennial; General Ecology: Aquatic; General Ecology: Mudflat; 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: basal; Leaf Complexity: simple; Leaf Dissection: 0; Leaf Fragrance: No; Leaf Persistance: Deciduous; Leaf Petiole Type: petiolate; Leaf Type: broadleaf; Leaf Venation: one-veined; Leaf Venation: palmate; Leaflet Margins: entire; Leaflet Number: 0; Base Flower Color: White; Carpel Number/Pistil: 1; Fruit Dehiscence: Yes; Fruit Type: Achene; Fruit Type: Follicle; Fruit Wet/Dry: Dry; Hypanthium Present: No; Inflorescence Position: terminal; Inflorescence Types: panicle/thyrse; Inflorescence Types: raceme; Ovary Position: Superior; Overall Flower Symmetry: Actinomorphic; Perianth Present: Yes; Petal Fusion: No; Petal Number: 3; Pistil Complexity: Simple; Pistil Number: 13+; Placentation Type: Basal; Sepal Fusion: No; Sepal Number: 3; Sexuality: monoecious; Sporangium Arrangement: N/A; Stamen Number: 7; Stamen Number: 8; Stamen Number: 9; Stamen Number: 10; Stamen Number: 11; Stamen Number: 12; Stamen Number: 13+; Tepal Number: N/A
C value 6
StatusNative; AGCP (OBL), EMP (OBL) (NWPL); TN[S2S3] 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
  • 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


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: Fulton (KY), Morgan (TN), Obion (TN), Rutherford (TN)

Herbaria represented by specimen data listed below: APSC, MEM, TENN, UCHT, VDB

Range of years during which specimens were collected: 1986 - 2006

Accession No. (click for full details) County State Coll. Date Collector &
Collection No.
Herbarium &
Herbarium Name Used
APSC0046334 Obion Tennessee
Sagittaria platyphylla
APSC0046332 Rutherford Tennessee
Sagittaria platyphylla
MEM006601 Fulton Kentucky Raymond Athey
Sagittaria platyphylla
APSC0046333 Morgan Tennessee
Sagittaria platyphylla
N/A Morgan Tennessee 07 Sep 2006 Dwayne Estes with J. Beck & M. Stevenson
Sagittaria platyphylla
N/A Obion Tennessee 12 Aug 1986 Milo Guthrie with Robert Abernathy
Sagittaria platyphylla
TENN-V-0014468 Fulton Kentucky
Sagittaria platyphylla
APSC0068059 Fulton Kentucky
Sagittaria platyphylla
BRIT156894 Obion Tennessee 11 Aug 1990 Landon E. McKinney
Sagittaria platyphylla
UCHT038178 Rutherford Tennessee
Sagittaria platyphylla
N/A Rutherford Tennessee 28 Jul 2001 Dwayne Estes and Richard Martin
Sagittaria platyphylla
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