Stuckenia pectinata (L.) Börner
fennel-leaved pondweed (sago pondweed)
Potamogetonaceae (Horned pondweed family)
Introduction to Vascular Plants
fennel-leaved pondweed (sago pondweed)
Potamogetonaceae (Horned pondweed family)
Introduction to Vascular Plants
Species Information
General:
Perennial, aquatic herb from fine, tufted roots; stems up to 100 cm long, branched.
Leaves:
All submersed, linear, thin, green, 5-10 cm long, up to 1 mm wide, with 1 to 3 veins, the tips sharp-pointed, the stipules 0.5-2 cm long, the blades arising close to the tips of the stipules.
Flowers:
Inflorescence spikelike, the spikes 1.5-2.5 cm long, interrupted, with 2 to 5 whorls of flowers, the stalks thin.
Fruits:
Achenes, almost globe-shaped, 3.5-4 mm long, 2.5-3 mm wide, widest above the middle, the beaks prominent, short, the keels absent, the surface without fine, ray-like grooves.
Illustration
If more than one illustration is available for a species (e.g., separate illustrations were provided for two subspecies) then links to the separate images will be provided below. Note that individual subspecies or varietal illustrations are not always available.
Illustration Source: The Illustrated Flora of British Columbia
Ecology
Ecological Framework for Stuckenia pectinata
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)
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 |
||
|
Avg |
Min |
Max |
|
| Elevation
(metres) |
445 | 350 | 540 |
| Slope
Gradient (%) |
0 | 0 | 0 |
|
Aspect (degrees) |
0 | ||
| Soil
Moisture Regime (SMR) [0 - very xeric; 4 - mesic; 8 - hydric] |
8 | 8 | 8 |
| Modal
Nutrient Regime
Class |
E | ||
| #
of field plots species was recorded in: |
3 | ||
| Modal
BEC Zone Class |
BG | ||
|
All BEC Zones (# of stations/zone) species was recorded in |
BG(2), PP(1) | ||
|
Source:
Klinkenberg 2013
|
|||
Habitat and Range
Lakes, ponds and estuaries in the lowland, steppe and montane zones; frequent in BC east of the Coast-Cascade Mountains, infrequent on the coast; cosmopolitan, N to AK, YT and NT, E to NF and S to ME, MA, PA, NC, FL, MS, LA, TX, NM, AZ and CA; Eurasia, Mexico, C and S Africa, C and S America, New Zealand, Australia.Status Information
Synonyms
Synonyms and Alternate Names:
Coleogeton pectinatus (L.) D.H. Les & Haynes
Potamogeton pectinatus L.
Stuckenia pectinatus (L.) Böerner