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

Glyceria pulchella (Nash) K. Schum.
slender mannagrass (MacKenzie Valley mannagrass)
Poaceae (Grass family)

Introduction to Vascular Plants

© Adolf Ceska  Email the photographer   (Photo ID #11492)

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Distribution of Glyceria pulchella
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Species Information

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General:
Perennial grass from rhizomes, often rooting at the lower nodes; stems erect, 40-100 cm tall.
Leaves:
Sheaths rough, the hairs angled backwards, open at least near the tops; blades 2-5 mm wide, flat, minutely rough on both surfaces; ligules (1.5) 2-4 mm long.
Flowers:
Inflorescence a loose panicle 15-25 cm long or more, the branches ascending to spreading-ascending; spikelets mostly 3- to 6-flowered, egg-shaped to cylindrical, compressed, 3.5-6 mm long; lower glumes 1.5-2 mm long, the upper ones 2-2.3 mm long; lemmas 1.6-2.2 mm long, prominently 7-nerved, the nerves finely rough; stamens 3; anthers about 0.6 mm long.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Streamsides, marshes, lakeshores and ponds in the montane zone; rare in BC east of the Coast-Cascade Mountains; N to AK, YT and NT and E to MB.

Source: The Illustrated Flora of British Columbia

Ecology

Ecological Framework for Glyceria pulchella

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) 455 1067 2039
Slope Gradient (%) 0 0 3
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W] 		135 200 265
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric] 		5 6 7
Modal Nutrient Regime
Class		 D
Number of field plots
 species was recorded in:		 7
Modal BEC Zone Class
 BWBS
All BEC Zones (# of stations/zone) species was recorded in: BWBS(2), ESSF(1), SBPS(2)

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.

Taxonomic and Nomenclatural Links


Genetic information (NCBI Taxonomy Database)
 International Plant Names Index
 Taxonomic Information from the World Flora Online
 Integrated Taxonomic Information System

Additional Photo Sources

Images From CalPhoto
UT Austin's Native Plant Database
 Google Image Search
 Flickr Image Search

General References

Google Scholar Search
Family References
 General Botanical References for BC
Recommended citation: Author, Date. Page title. In Klinkenberg, Brian. (Editor) 2020. E-Flora BC: Electronic Atlas of the Plants of British Columbia [eflora.bc.ca]. Lab for Advanced Spatial Analysis, Department of Geography, University of British Columbia, Vancouver. [Accessed: 2024-09-28 7:13:01 PM ]
Disclaimer: The information contained in the E-Flora atlas pages is derived from expert sources as cited in each section. This information is scientifically based. E-Flora also acts as a portal to other sites via deep links. As always, users should refer to the original sources for complete information. E-Flora BC is not responsible for the accuracy or completeness of the original information.
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