Festuca brachyphylla Schult. ex Schult. & Schult. f.
alpine fescue
Poaceae (Grass family)

Introduction to Vascular Plants

Photograph

© Jamie Fenneman     (Photo ID #21153)


Map

E-Flora BC Static Map

Distribution of Festuca brachyphylla
Click here to view the full interactive map and legend

Species Information

General:
Perennial, more or less densely tufted grass from fibrous roots; stems mostly smooth, 5-30 cm tall.
Leaves:
Sheaths not conspicuous at the base of the stems, splitting between the nerves or remaining entire, usually not shredding into fibres; blades (2) 10-20 cm long, 0.35-0.65 mm wide, folded, angular and more or less irregular-hexagonal in cross-section with weakly developed sclerenchyma strands; ligules 0.1-0.3 mm long.
Flowers:
Inflorescence a narrow, spikelike panicle, 1.5-4 (5.5) cm long, the branches 0.2-1.2 cm long; spikelets 2- to 4- (6-) flowered, 4-8.5 mm long; lower glumes 1.2-3.3 mm long, the upper ones (2.4) 2.9-4.6 mm long; lemmas 3-5.2 mm long, awned, the awns 0.8-3.5 mm, usually less than 2.5 mm long, the lowermost lemmas 3-4.2 mm long; anthers (0.5) 0.7-1.1 (1.3) mm long; ovary tops smooth.

SourceThe Illustrated Flora of British Columbia

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.

Ecology

Ecological Framework for Festuca brachyphylla

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)
2001 250 3000
Slope Gradient (%)
24 0 235

Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]

190 0 360
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
2 0 7
Modal Nutrient Regime
Class
C
# of field plots
 species was recorded in:
783
Modal BEC Zone Class
ESSF

All BEC Zones (# of stations/zone) species was recorded in

AT(172), BAFA(213), BG(1), BWBS(6), cma(12), ESSF(242), ICH(4), IDF(7), IMA(78), MH(2), MS(17), PP(8), SBPS(1), SBS(3), SWB(6)

Habitat and Range

Mesic to dry rocky slopes, scree slopes and moraines in the alpine zone; frequent throughout BC in and E of the Coast-Cascade Mountains; circumpolar, N to AK, YT and NT, E to NF and S to MN, CO, AZ and CA; Greenland, Eurasia.

SourceThe Illustrated Flora of British Columbia

Synonyms

Synonyms and Alternate Names:
Festuca brachyphylla var. groenlandica Schol.