Didiplis diandra

Family (Traditional)Lythraceae
Species:Didiplis diandra (Nutt. ex DC.) Alph. Wood
Common NameWaterpurslane
Growth Habitforb
Plant Notes**
CharacteristicsArmaments: No; Milky Sap: No; Photosynthetic: Yes; Stipules: No; Stipules: Yes; Woody Herbaceous: Herbaceous; Duration: Annual; General Ecology: Mudflat; General Ecology: Terrestrial; Growth Habit: forb; Moisture Requirements: Hydric; Moisture Requirements: Wetland; Region of Origin: North America; Reproductive Phenology: April; Reproductive Phenology: May; Reproductive Phenology: June; Reproductive Phenology: July; Reproductive Phenology: August; Reproductive Phenology: September; Reproductive Phenology: October; Leaf Arrangement: opposite; Leaf Complexity: simple; Leaf Dissection: 0; Leaf Persistance: Deciduous; Leaflet Number: 0; Base Flower Color: Pink; Base Flower Color: White; Fruit Wet/Dry: Dry; Overall Flower Symmetry: Actinomorphic; Overall Flower Symmetry: Zygomorphic; Sporangium Arrangement: N/A
C value 7
StatusNative; AGCP (OBL), EMP (OBL) (NWPL); TN[S1] KY[S1S2] (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


SynonymFull Citation
Ammannia nuttallii Ammannia nuttallii
Didiplis linearis Didiplis linearis

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: Ballard (KY), Fulton (KY), Hickman (KY), Hopkins (KY), Muhlenberg (KY), Warren (KY)

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

Range of years during which specimens were collected: 1968 - 1968

Accession No. (click for full details) County State Coll. Date Collector &
Collection No.
Herbarium &
Herbarium Name Used
31234100529708 Hopkins Kentucky Keith Canbrum
Didiplis diandra
MEM005812 Hickman Kentucky Raymond Athey
Didiplis diandra
APSC0081929 Warren Kentucky 23 Jul 1968 Kenneth Nicely
Didiplis diandra
APSC0090916 Muhlenberg Kentucky
Didiplis diandra
MEM005813 Ballard Kentucky Raymond Athey
Didiplis diandra
APSC0107824 Fulton Kentucky
Didiplis diandra
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Plant Photos