Eriophorum vaginatum L.
Tussock Cottongrass (sheathed cotton-grass)
Cyperaceae (Sedge family)
Introduction to Vascular Plants
Tussock Cottongrass (sheathed cotton-grass)
Cyperaceae (Sedge family)
Introduction to Vascular Plants
Photograph
© Vince Poulin (Photo ID #66263)
SUBTAXA PRESENT IN BC
Eriophorum vaginatum ssp. vaginatum
Species Information
General:
Perennial, tufted herb forming tussocks; stems 10-60 cm tall.
Leaves:
Basal sheaths brownish, cross-wrinkled, persistent; stem leaves 1 to 3, the sheaths conspicuously expanded upwards; blades 0.5-1.2 mm wide, folded.
Flowers:
Spikes solitary, terminal, erect, egg-shaped to nearly globe-shaped and 1-2 cm long in flower, nearly globe-shaped and 1.7-4 cm long in fruit; anthers 1-2 mm long; involucral bracts lacking.
Fruits:
Scales greyish to blackish, with broad pale margins, narrowly egg-shaped to long-pointed, appressed to ascending, gradually tapering near the tips, the midribs not reaching the tips, at least the lower ones reflexed, the sterile scales mostly 10 or more; perianth bristles numerous, whitish, many times longer than the achenes; achenes 1.9-2.8 mm, (3.5) mm long, not fringed with small serrated teeth.
Ecology
Ecological Framework for Eriophorum vaginatum
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) |
791 | 365 | 1660 |
| Slope
Gradient (%) |
0 | 0 | 1 |
|
Aspect (degrees) |
294 | 0 | 230 |
| Soil
Moisture Regime (SMR) [0 - very xeric; 4 - mesic; 8 - hydric] |
6 | 5 | 8 |
| Modal
Nutrient Regime
Class |
A | ||
| #
of field plots species was recorded in: |
17 | ||
| Modal
BEC Zone Class |
BWBS | ||
|
All BEC Zones (# of stations/zone) species was recorded in |
BWBS(8), ESSF(2), ICH(1), IDF(1), SBS(4) | ||
|
Source:
Klinkenberg 2013
|
|||