Catabrosa aquatica (L.) P. Beauv.
Water Whorl Grass (Brookgrass; water whorlgrass)
Poaceae (Grass family)
Introduction to Vascular Plants
Water Whorl Grass (Brookgrass; water whorlgrass)
Poaceae (Grass family)
Introduction to Vascular Plants
Photograph
SUBTAXA PRESENT IN BC
Catabrosa aquatica var. aquatica
Species Information
General:
Perennial grass from rhizomes; stems hollow, erect to decumbent, 10-60 cm tall.
Leaves:
Sheaths sometimes open half their length, sometimes closed to near the summit; blades 2-13 mm wide, flat, narrowed to prowlike tips; ligules 2-8 mm long, minutely more or less rough, jagged to nearly entire.
Flowers:
Inflorescence a panicle, (5) 7-20 cm long; spikelets usually 2-flowered, occasionally only 1-flowered, about 3 mm long; lower glumes 0.7-1.3 mm long, the upper ones 1.5-2.2 mm long; upper florets usually deciduous well before the lower; lemmas 2.5-3 mm long, prominently 3-nerved; rachilla joints usually at least 1 mm long; paleas as long as the lemmas; lodicules about 0.3 mm long; anthers about 1.5 mm long.
Ecology
Ecological Framework for Catabrosa aquatica
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) |
1323 | 1323 | 1323 |
| Slope
Gradient (%) |
12 | 12 | 12 |
|
Aspect (degrees) |
4 | 5 | 5 |
| Soil
Moisture Regime (SMR) [0 - very xeric; 4 - mesic; 8 - hydric] |
5 | 5 | 5 |
| Modal
Nutrient Regime
Class |
D | ||
| #
of field plots species was recorded in: |
1 | ||
| Modal
BEC Zone Class |
ESSF | ||
|
All BEC Zones (# of stations/zone) species was recorded in |
ESSF(1) | ||
|
Source:
Klinkenberg 2013
|
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