E-Flora BC: Electronic Atlas of the Flora of British Columbia

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

Introduction to Vascular Plants

© Adolf Ceska  Email the photographer   (Photo ID #20747)

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Distribution of Puccinellia pumila
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Species Information

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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.

Source: The Illustrated Flora of British Columbia

Habitat / Range

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

Source: The Illustrated Flora of British Columbia

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

Minimum

Average

Maximum

Elevation (metres) 0 0 0
Slope Gradient (%) 0 1 5
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
54 102 220
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
5 6 8
Modal Nutrient Regime
Class
D
Number 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)

Climate

The climate type for this species, as reported in the: "British Columbia plant species codes and selected attributes. Version 6 Database" (Meidinger et al. 2008), is not evaluated, unknown or variable.

Synonyms and Alternate Names

Puccinellia kurilensis auct. non (Takeda) Honda p.p.

Taxonomic and Nomenclatural Links

Additional Photo Sources

Related Databases

General References