Muhlenbergia andina (Nutt.) Hitchc.
foxtail muhly
Poaceae (Grass family)

Introduction to Vascular Plants

Photograph

© Margaret Krichbaum     (Photo ID #87905)


Map

E-Flora BC Static Map

Distribution of Muhlenbergia andina
Click here to view the full interactive map and legend

Species Information

General:
Perennial grass from creeping rhizomes; stems hollow, erect, 25-85 cm tall.
Leaves:
Sheaths usually minutely rough near the base; blades flat, 2-4 (5) mm wide, 4-16 cm long, rough- hairy below, hairy above; ligules membranous, jagged to fringed with fine hairs, squared-off at the tips, 0.5-1.5 mm long.
Flowers:
Inflorescence a narrow, spikelike, compact, densely flowered, interrupted or lobed panicle, 2-15 cm long, 5-24 (28) mm wide, the branches 0.5-5 cm long, appressed, ascending; spikelets 1-flowered, nearly unstalked to short-stalked; glumes very narrow, long-pointed to awn-tipped, 1-nerved, minutely rough on the nerve, usually minutely short-hairy, about equal, 2-4 mm long; lemmas lanceolate, greyish-green, the bodies from slightly shorter to somewhat longer than the glumes (not including the awn tips), 2-3.5 mm long, awned, the awns slender, terminal, (1) 4-10 mm long, the calluses bearded with numerous silky hairs nearly or fully as long as the lemmas; paleas lanceolate, almost equal to the lemmas, with silky hairs between the nerves near the base, the tips long-pointed; anthers 0.4-1.5 mm long, yellow.

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 Muhlenbergia andina

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)
930 930 930
Slope Gradient (%)
0 0 0

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

0
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
6 6 6
Modal Nutrient Regime
Class
D
# of field plots
 species was recorded in:
1
Modal BEC Zone Class
IDF

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

IDF(1)

Habitat and Range

Wet to moist canyons, streambanks, meadows, and hot springs (in tufa) in the montane zone; rare in SE BC, known only from Fairmont Hot Springs; disjunctly E to MB and S to TX, NM, AZ and CA.

SourceThe Illustrated Flora of British Columbia

Synonyms

Synonyms and Alternate Names:
Muhlenbergia comata (Thurb.) Thurb. ex Benth.