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

Eleocharis quinqueflora (Hartmann) O. Schwarz
few-flowered spike-rush (fewflower spikerush)
Cyperaceae (Sedge family)

Introduction to Vascular Plants

© Jamie Fenneman  Email the photographer   (Photo ID #20644)

E-Flora BC Static Map
Distribution of Eleocharis quinqueflora
Click here to view the full interactive map and legend
Details about map content are available here
Click on the map dots to view record details.

Species Information

Click on the image below to view an expanded illustration for this species.



General:
Perennial herb from short, stout rhizomes, also producing more elongate, slender stolons with thickened terminal buds; stems clustered, thread-like, grooved, (5) 10-30 (40) cm tall.
Leaves:
Sheaths brownish to straw-coloured below, cylindrical, not flaring upwards; blades lacking.
Flowers:
Spikes solitary, terminal, lanceolate to egg-shaped, 4-8 mm long, 3- to 9-flowered, somewhat flattened.
Fruits:
Scales 2.5-5.5 mm long, the two lower ones larger than the others, the lowest one subtending a flower, egg-shaped, blunt, dark brown with translucent margins and a lighter midrib; perianth bristles 4 to 6, equalling or surpassing the achenes, or more or less reduced; stigmas 3; achenes 3-angled, or plano-convex, equally or unequally 3-angled, greyish brown, 3-ribbed, cellular roughened, 1.9-2.6 mm long including the short (0.6 mm), barely differentiated, nosecone-like tubercles that are confluent with the bodies of the achenes and that do not form distinct apical caps on the achenes.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Bog margins and wet (often calcareous) sites in the steppe and montane zones (rarely subalpine or alpine); infrequent in and E of the Coast-Cascade Mountains in S BC, rare northward; circumpolar, N to AK, YT and NT, E to NF and S to ME, PA, OH, IN, IL, NE, NM, AZ, CA and MX; Greenland, Eurasia.

Source: The Illustrated Flora of British Columbia

Ecology

Ecological Framework for Eleocharis quinqueflora

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) 7 1258 1870
Slope Gradient (%) 0 2 19
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
30 322 354
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
5 6 8
Modal Nutrient Regime
Class
D
Number of field plots
 species was recorded in:
56
Modal BEC Zone Class
ESSF
All BEC Zones (# of stations/zone) species was recorded in: BWBS(1), CWH(3), ESSF(25), ICH(3), IDF(4), MH(1), MS(6), SBPS(2), SBS(9), SWB(1)

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

Eleocharis bernardina Munz & I.M. Johnst.
Eleocharis pauciflora (Lightf.) Link
Eleocharis pauciflora var. bernardina (Munz & Johnston) Svens.
Eleocharis pauciflora var. fernaldii Svens.
Eleocharis quinqueflora subsp. fernaldii (Svens.) HultΘn
Eleocharis quinqueflora subsp. quinqueflora
Eleocharis quinqueflora var. bernardina (Munz & Johnston) S. Gonzßlez & P.M. Peterson
Scirpus pauciflorus Lightf.
Scirpus quinqueflorus F.X. Hartmann

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References