Eleocharis elliptica Kunth
Slender spike-rush (elliptic spikerush; elliptic spike-rush)
Cyperaceae (Sedge family)

Introduction to Vascular Plants

Photograph

© Bryan Kelly-McArthur     (Photo ID #79511)


Map

E-Flora BC Static Map

Distribution of Eleocharis elliptica
Click here to view the full interactive map and legend

Species Information

General:
Perennial, tufted herb from thick, creeping rhizomes; stems slender, scattered or loosely clustered, 6- to 8-angled with a vascular bundle under each angle, 5-40 cm tall.
Leaves:
Sheaths conspicuously reddish-purple toward the bases, blunt-tipped; blades lacking.
Flowers:
Spikes solitary, terminal, egg-shaped, 3-10 mm long, 10- to 30-flowered.
Fruits:
Outermost scale relatively large and broad, globe-shaped, usually with firm, often greenish areas toward the bases on the midribs, the other scales narrower, usually 2-3 mm long, mostly dark except for the pale, translucent tips, the lowest scale usually

SourceThe Illustrated Flora of British Columbia

Illustration

If more than one illustration is available for a species (e.g., separate illustrations were provided for two subspecies) then links to the separate images will be provided below. Note that individual subspecies or varietal illustrations are not always available.

Ecology

Ecological Framework for Eleocharis elliptica

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

Avg

Min

Max

Elevation (metres)
871 765 1000
Slope Gradient (%)
0 0 0

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

180 180 180
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
7 7 8
Modal Nutrient Regime
Class
D
# of field plots
 species was recorded in:
3
Modal BEC Zone Class
IDF

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

ICH(1), IDF(1), PP(1)

Habitat and Range

Lakeshores, streamsides and wet meadows in the steppe and montane zones; rare in S BC east of the Coast-Cascade Mountains and N of 50degreeN; N to SW AK, E to NF and S to ME, MA, NC, GA, MS, TX, NM, ID and WA.

SourceThe Illustrated Flora of British Columbia

Synonyms

Synonyms and Alternate Names:
Eleocharis capitata var. borealis Svens.
Eleocharis compressa var. borealis (Svens.) Drapalik & Mohlenbr.
Eleocharis elliptica var. compressa
Eleocharis elliptica var. elliptica
Eleocharis tenuis var. borealis (Svens.) Gleason