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

Glyceria striata (Lam.) Hitchc.
fowl mannagrass
Poaceae (Grass family)

Introduction to Vascular Plants

© Jamie Fenneman  Email the photographer   (Photo ID #9575)

E-Flora BC Static Map
Distribution of Glyceria striata
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Species Information

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General:
Perennial, usually strongly tufted grass from rhizomes; stems erect to more or less decumbent, hollow, up to (20) 30-80 (100) cm tall.
Leaves:
Sheaths somewhat flattened, minutely rough, the hairs directed backwards, usually closed to the tops and often split; blades 2-5 (6) mm wide, flat or folded, mostly erect, minutely rough; ligules cut off at the ends to blunt, usually closed in the front unless split, minutely rough, the margins more or less irregularly jagged, 1.5-3 (4) mm long, the lower leaf ligules mostly 1-3 mm long.
Flowers:
Inflorescence a loose panicle, 7-20 cm long, the slender branches usually ascending; spikelets mostly (3-) 4- to 7-flowered, egg-shaped, about 3.8 mm long and 1.5 mm wide; glumes egg-shaped, usually more or less fringed with fine hairs, the margins more or less jagged, usually rounded to blunt, the lower ones 0.6-1.5 mm long, the upper ones about 0.9-2.3 mm long; lemmas broad, firm, barely 2 mm long, prominently 7-nerved, smooth or minutely rough on the nerves, the marginal nerves less conspicuous; paleas abruptly notched, the slits narrow, concealed by the lemmas; stamens 2; anthers 0.4-0.6 mm long.

Source: The Illustrated Flora of British Columbia

USDA Species Characteristics

Flower Colour:
Green
Blooming Period:
Early Summer
Fruit/Seed characteristics:
Colour: Red
Present from Spring to Fall
Source:  The USDA

Habitat / Range

Bogs, lakeshores and moist to wet meadows in the lowland to subalpine zones; common in S BC south of 55 degrees N, infrequent northward, absent on the Queen Charlotte Islands; N to AK, YT and NT, E to NF and S to ME, MA, PA, NC, FL, MS, LA, TX, NM, AZ and CA.

Source: The Illustrated Flora of British Columbia

Ecology

Ecological Framework for Glyceria striata

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) 1 946 1840
Slope Gradient (%) 0 1 42
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
0 255 360
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
3 6 8
Modal Nutrient Regime
Class
D
Number of field plots
 species was recorded in:
199
Modal BEC Zone Class
IDF
All BEC Zones (# of stations/zone) species was recorded in: BAFA(1), BG(7), BWBS(14), CWH(5), ESSF(6), ICH(43), IDF(48), MH(1), MS(20), PP(2), SBPS(10), SBS(34), SWB(3)

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

Glyceria elata (Nash ex Rydb.) M.E. Jones
Glyceria nervata (Willd.) Trin.
Glyceria striata subsp. stricta (Scribn.) Hultén
Glyceria striata var. stricta (Scribn.) Fernald
Panicularia nervata (Willd.) Kuntze
Panicularia striata (Lam.) Hitchc.

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References