Callitriche heterophylla

Characteristics
Dicots
Plantaginaceae
Callitriche
Callitriche heterophylla
Common Water Starwort; Two Head Water Starwort
**
**
**
**
Armaments
No
Base Flower Color
Green
Carpel Number/Pistil
1
Duration
Annual; Perennial
Fruit Dehiscence
No
Fruit Type
Schizocarp
Fruit Wet/Dry
Dry
General Ecology
Terrestrial
Growth Habit
forb
Leaf Arrangement
opposite
Leaf Complexity
simple
Leaf Dissection
0
Leaf Duration
deciduous
Leaf Fragrance
No
Leaflet Number
0
Moisture Requirements
Hydric
Overall Flower Symmetry
Zygomorphic
Parent Rock
Calcareous; Chert; Limestone
Petal Number
x
Soil Composition
Mineral
Soil pH
Alkaline; Circumneutral
Stamen Number
1
Unconsolidated Rock
Yes
Woody Herbaceous
Herbaceous
View details of Herbarium specimens
** Not applicable or data not available.
Classification
Plantaginales
Callitriche
Callitriche heterophylla - Common Water Starwort; Two Head Water Starwort
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:

Plant Photos
Callitriche heterophylla - 13
Callitriche heterophylla - Dwayne Estes View Full Size
Callitriche heterophylla - 2
Callitriche heterophylla - Joey Shaw View Full Size
Callitriche heterophylla - 2
Callitriche heterophylla - Joey Shaw View Full Size
Callitriche heterophylla - 2
Callitriche heterophylla - Joey Shaw View Full Size
Callitriche heterophylla - 2
Callitriche heterophylla - Joey Shaw View Full Size
Callitriche heterophylla - 2
Callitriche heterophylla - Joey Shaw View Full Size
Callitriche heterophylla - 2
Callitriche heterophylla - Joey Shaw View Full Size
Callitriche heterophylla - 2
Callitriche heterophylla - Joey Shaw View Full Size
Callitriche heterophylla - 2
Callitriche heterophylla - Joey Shaw View Full Size
Callitriche heterophylla - 2
Callitriche heterophylla - Joey Shaw View Full Size
Callitriche heterophylla - 2
Callitriche heterophylla - Joey Shaw View Full Size