Puccinellia pumila (Vasey) Hitchc.
dwarf alkaligrass
Poaceae (Grass family)

Introduction to Vascular Plants

Photograph

© Adolf Ceska     (Photo ID #20747)


Map

E-Flora BC Static Map

Distribution of Puccinellia pumila
Click here to view the full interactive map and legend

Species Information

General:
Perennial, tufted grass from fibrous roots; stems 10-30 cm tall.
Leaves:
Sheaths open, smooth; blades flat to in-rolled, 1-2.5 mm wide; ligules rounded, usually sparsely short-hairy or rough externally, 0.8-2 mm long.
Flowers:
Inflorescence a narrow panicle, (3) 5-10 cm long, the branches few, smooth, nearly erect (rarely deflexed); spikelets 4 to 5- (6-) flowered; lower glumes about 1.5-2 mm long, the upper ones mostly 2.5 (3) mm long; rachilla joints about 1 mm long; lemmas sparsely hairy (with only a few short hairs) at the extreme base, abruptly narrowed above, about 3 (3.5) mm long; paleas nearly equal to the lemmas; lodicules barely 1 mm long; anthers (0.7) 1 (1.2) mm long.

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 Puccinellia pumila

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)
0 0 0
Slope Gradient (%)
1 0 5

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

102 54 220
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
6 5 8
Modal Nutrient Regime
Class
D
# of field plots
 species was recorded in:
9
Modal BEC Zone Class
CWH

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

CWH(9)

Habitat and Range

Coastal beaches and marshes in the lowland zone; frequent in coastal BC; N to AK and S to CA.

SourceThe Illustrated Flora of British Columbia

Synonyms

Synonyms and Alternate Names:
Puccinellia kurilensis auct. non (Takeda) Honda p.p.