E-Flora BC: Electronic Atlas of the Flora of British Columbia

Callitriche hermaphroditica L.
northern water-starwort
Plantaginaceae (Mare's-tail family)
(Previously in Callitrichaceae)

Introduction to Vascular Plants

© Jamie Fenneman  Email the photographer   (Photo ID #30171)

E-Flora BC Static Map
Distribution of Callitriche hermaphroditica
Click here to view the full interactive map and legend
Details about map content are available here
Click on the map dots to view record details.

Species Information

Click on the image below to view an expanded illustration for this species.



General:
Aquatic or semi-aquatic perennial rooting in mud; stems slender, 5-15 cm long, with widely spaced internodes.
Leaves:
All opposite; linear, 5-20 mm long, single-nerved, their bases not joined by a ridge or wing, light green.
Flowers:
Inflorescence of tiny, inconspicuous flowers borne without bracts, stalkless or shortly-stalked; styles soon deciduous, ascending.
Fruits:
Achene-like, 4, each 1-seeded, wingless, 1-2 mm long, egg-shaped, irregularly pitted.

Source: The Illustrated Flora of British Columbia

USDA Species Characteristics

Flower Colour:
Green
Blooming Period:
Late Summer
Fruit/Seed characteristics:
Colour: Green
Present over the Fall
Source:  The USDA

Habitat / Range

Slow-moving streams, lakes and sloughs in the lowland, steppe and montane zones; common in SW BC, less frequent in SC and SE BC; circumboreal, N to AK, YT and NT, E to NF and S to MN, MI, NM and CA; Eurasia.

Source: The Illustrated Flora of British Columbia

Ecology

Ecological Framework for Callitriche hermaphroditica

The table below shows the species-specific information calculated from
original data (BEC database) provided by the BC Ministry of Forests and Range.
(Updated August, 2013)

Site Information
Value / Class

Minimum

Average

Maximum

Elevation (metres) 675 675 675
Slope Gradient (%) 0 0 0
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
0
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
5 5 5
Modal Nutrient Regime
Class
B
Number of field plots
 species was recorded in:
1
Modal BEC Zone Class
IDF
All BEC Zones (# of stations/zone) species was recorded in: IDF(1)

Climate

The climate type for this species, as reported in the: "British Columbia plant species codes and selected attributes. Version 6 Database" (Meidinger et al. 2008), is not evaluated, unknown or variable.

Synonyms and Alternate Names

Callitriche autumnalis L.

Taxonomic and Nomenclatural Links

Additional Photo Sources

Related Databases

General References