Torreyochloa pallida (Torr.) Church
Fernald's false manna (Fernald's alkaligrass; pale false mannagrass)
Poaceae (Grass family)
Introduction to Vascular Plants
Fernald's false manna (Fernald's alkaligrass; pale false mannagrass)
Poaceae (Grass family)
Introduction to Vascular Plants
Photograph
SUBTAXA PRESENT IN BC
Torreyochloa pallida var. pauciflora
Species Information
General:
Perennial grass from fibrous roots; stems slender, flaccid, sometimes somewhat decumbent, creeping at base, 30-100 cm tall.
Leaves:
Sheaths open; blades flat, 2-8 mm wide; ligules finely toothed, pointed, 1-1.5 mm long.
Flowers:
Inflorescence an open panicle, 5-20 cm long, the branches relatively few, eventually diffuse, 5-15 cm long; spikelets 4- to 6-flowered, narrowly egg-shaped, 4-7 mm long; glumes broadly rounded at the wax-papery tips; lemmas egg-shaped, sharply 7-nerved, finely hairy or minutely rough, eroded at the rounded tips, 2.5-3.5 mm long; paleas 4 to 5 times as long as wide; anthers about 1 mm long.
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 Torreyochloa pallida
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) |
890 | 890 | 890 |
| Slope
Gradient (%) |
2 | 2 | 2 |
|
Aspect (degrees) |
190 | 190 | 190 |
| Soil
Moisture Regime (SMR) [0 - very xeric; 4 - mesic; 8 - hydric] |
6 | 6 | 6 |
| Modal
Nutrient Regime
Class |
B | ||
| #
of field plots species was recorded in: |
2 | ||
| Modal
BEC Zone Class |
SBS | ||
|
All BEC Zones (# of stations/zone) species was recorded in |
SBS(1) | ||
|
Source:
Klinkenberg 2013
|
|||
Habitat and Range
Shallow water, marshes, bogs and wet meadows in the montane zone; rare in EC BC; amphiberingian, N to NT, E to NF and S to ME, MA, PA, WV, MI, WI, MN and WY; E Asia.Status Information
Synonyms
Synonyms and Alternate Names:
Glyceria pallida
Torreyochloa pallida subsp. pallida
Torreyochloa pallida subsp. pallida