Carex leptalea Wahlenb.
bristle-stalked sedge (bristlystalked sedge)
Cyperaceae (Sedge family)

Introduction to Vascular Plants

Photograph

© Jamie Fenneman     (Photo ID #60820)


Map

E-Flora BC Static Map

Distribution of Carex leptalea
Click here to view the full interactive map and legend

Species Information

General:
Perennial, densely tufted herb from slender rhizomes; stems 15-70 cm tall, slightly shorter to longer than the leaves.
Leaves:
Sheaths tight, concave to blunt at the mouths; blades 2 to 3 per stem, flat or channeled, borne on the lower 1/4 of the stem, about 0.7-1.5 mm wide.
Fruits:
Perigynia few, cylindrical or elliptical, 2.5-5 mm long, 1-1.5 mm wide, yellowish-green to pale green, many nerved, long-stalked, the tips blunt, more or less entire, beakless; male scales rounded to pointed at the tips, fused below, appressed, yellowish
Notes:
Two subspecies can be distinguished in BC:

1. Female scales rounded; perigynia 2.5-3.5 mm long; E of the Coast-Cascade Mountains.................. ssp. leptalea

1. Female scales long-pointed to awned; perigynia 3.5-5 mm long; W of the Coast-Cascade Mountains................. ssp. pacifica Calder & Taylor

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.

USDA Species Characteristics

Flower Colour:
Green
Blooming Period:
Late Spring
Fruit/Seed characteristics:
Colour: Brown
Present over the Summer
Source:  The USDA

Ecology

Ecological Framework for Carex leptalea

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)
870 10 1915
Slope Gradient (%)
2 0 65

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

85 20 350
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
6 3 8
Modal Nutrient Regime
Class
D
# of field plots
 species was recorded in:
180
Modal BEC Zone Class
SBS

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

BWBS(20), CWH(30), ESSF(16), ICH(20), IDF(7), MS(17), PP(1), SBPS(14), SBS(50), SWB(3)

Habitat and Range

Bogs, swamps, shorelines and fens in the lowland, steppe and montane zones; frequent throughout BC west (ssp. pacifica) and east (ssp. leptalea) of the Coast-Cascade Mountains; ssp. pacifica - N to AK and YT; ssp. leptalea - N to AK, YT, NT, E to NF and S to ME, PA, NC, TN, AR, OK, NM, UT and CA.

SourceThe Illustrated Flora of British Columbia

Synonyms

Synonyms and Alternate Names:
Carex leptalea var. tayloris B. Boivin, nom. inq.