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

Sagittaria cuneata Sheldon
arum-leaved arrowhead (arumleaf arrowhead)
Alismataceae (Water-plantain family)

Introduction to Vascular Plants

© Jamie Fenneman  Email the photographer   (Photo ID #17180)

E-Flora BC Static Map
Distribution of Sagittaria cuneata
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Species Information

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Perennial aquatic or semi-aquatic herb from a tuber-producing rhizome; stems 20-50 cm tall.
All basal, blades of the emergent leaves arrowhead-shaped, 1-12 cm long, long-stalked and sheathed at the base, blades of the submerged leaves lanceolate, or linear and essentially bladeless, up to 40 cm long.
Inflorescence an open, bracteate panicle of stalked flowers, the bracts lanceolate, long-pointed at the tips, (5) 10-30 mm long; mature male flower stalks longer than the female flower stalks; petals white, 1-2 cm long; sepals 5-8 mm long.
Achenes, numerous in a globular cluster, winged, 2-2.5 mm long, the beaks erect, 0.2-0.4 mm long.

Source: The Illustrated Flora of British Columbia

USDA Species Characteristics

Flower Colour:
Blooming Period:
Source:  The USDA

Habitat / Range

Wet ditches, ponds and lakes in the lowland, steppe and montane zones; common in BC south of 55degreeN and E of the Coast-Cascade Mountains, less frequent westward and northward; N to AK, YT and NT, E to Labr., NB and NS and S to ME, NY, OH, IL, TX, NM, AZ and CA.

Source: The Illustrated Flora of British Columbia


Ecological Framework for Sagittaria cuneata

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




Elevation (metres) 343 629 835
Slope Gradient (%) 0 0 2
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
200 200 200
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
6 7 8
Modal Nutrient Regime
Number of field plots
 species was recorded in:
Modal BEC Zone Class
All BEC Zones (# of stations/zone) species was recorded in: BG(2), ICH(1), IDF(3), PP(2), SBS(4)


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

Sagittaria arifolia Nutt. ex J.G. Sm.

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References