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

Alisma triviale Pursh
American water-plantain; northern water plantain
Alismataceae (Water-plantain Family)

Introduction to Vascular Plants

© Brian Klinkenberg  Email the photographer   (Photo ID #21478)


Distribution of Alisma triviale
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Species Information

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Illustration SourceThe Illustrated Flora of BC

General:
Perennial aquatic herb from a corm-like stem-base and a fibrous root; stems 20-120 cm tall.
Leaves:
All basal, long-stalked, the blades egg-shaped to broadly lanceolate, 5-15 cm long, 1.5-10 cm wide.
Flowers:
Inflorescence an open, bracteate panicle of long-stalked flowers; petals usually white, 4-6 mm long; sepals green, 2.5-4 mm long.
Fruits:
Achenes, egg-shaped, 2.5-3 mm long.
Notes:
Despite several monographs on Alisma the taxonomy and nomenclature of the above species still remains confused (see Reveal [1977]).

SourceThe Illustrated Flora of British Columbia

Ecology

Ecological Framework for Alisma triviale

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, 2008)

Site Information
Value / Class

Average

Minimum

Maximum

Elevation (metres)
709 565 790
Slope Gradient (%)
0.3 0 2

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

200.0 200 200
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
7.0 7 8
Modal Nutrient Regime
Class
Very rich
Number of field plots
 species was recorded in:
8
Modal BEC Zone Class
PP

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

BG(1), ICH(1), IDF(1), PP(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.

Habitat / Range

Shallow ponds, marshes and ditches in the lowland, steppe and montane zones; common in S BC south of 52degreeN; rare northward; E to NF and S to ME, VA, NE, NM, AZ and CA.

SourceThe Illustrated Flora of BC

Synonyms and Alternative Names

Alisma brevipes Greene
Alisma plantago-aquatica
Alisma plantago-aquatica subsp. brevipes (Greene) Samuelsson
Alisma plantago-aquatica var. americanum Schult.
Alisma plantago-aquatica var. brevipes (Greene) Victorin
Alisma plantago-aquatica var. triviale

Taxonomic and Nomenclatural Links

Additional Photo Sources

Related Databases

General References