General:
Perennial aquatic or semi-aquatic herb from a tuber-producing rhizome; stems 20-50 (90) cm tall.
Leaves:
All basal, blades of the emergent leaves arrowhead-shaped, 5-25 cm long, long-stalked and sheathed at the base, blades of the submerged leaves lanceolate, or linear and essentially bladeless, up to 80 cm long.
Flowers:
Inflorescence an open, bracteate panicle of stalked flowers, the bracts egg-shaped, rounded or hooded at the tips, 5-10 (15) mm long; mature male and female flower stalks of equal length; petals white, 1-2 cm long; sepals 5-8 mm long.
Fruits:
Achenes, numerous in a globular cluster, winged, 2-3.5 mm long, sharp-beaked, the beaks extending at right angles to the body, 0.5-1.5 mm long.
Site Information |
Value / Class |
||
Avg |
Min |
Max |
|
Elevation
(metres) |
1005 | 858 | 1152 |
Slope
Gradient (%) |
0 | 0 | 0 |
Aspect (degrees) |
0 | ||
Soil
Moisture Regime (SMR) [0 - very xeric; 4 - mesic; 8 - hydric] |
7 | 7 | 8 |
Modal
Nutrient Regime
Class |
B | ||
#
of field plots species was recorded in: |
2 | ||
Modal
BEC Zone Class |
IDF | ||
All BEC Zones (# of stations/zone) species was recorded in |
BWBS(1), IDF(1) | ||
Source:
Klinkenberg 2013
|