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

Carex vallicola Dewey
Valley Sedge
Cyperaceae (Sedge family)

Introduction to Vascular Plants

© Ryan Batten  Email the photographer   (Photo ID #53162)

E-Flora BC Static Map
Distribution of Carex vallicola
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.

SUBTAXA PRESENT IN BC
Carex vallicola var. vallicola

Species Information

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



General:
Perennial, tufted herb from short, fibrous rhizomes, sometimes the rhizomes not evident; stems 15-40 cm tall, arising in loose clusters, roughened on the angles above, longer than the leaves.
Leaves:
Sheaths tight; blades 2 to 3 per stem, borne on the lower 1/4 of the stem, flat or channeled below, 0.5-2 mm wide, the lowermost reduced towards the bases of the stems.
Flowers:
Spikes 4 to 8, forming an elongated head 1-2 cm long, the lower ones noticeably remote, unstalked, with both female and male flowers, the inconspicuous male flowers towards the tips; bracts scalelike, much reduced, inconspicuous.
Fruits:
Perigynia elliptical to cylindrical, 3-3.7 mm long, 1.8-2.2 mm wide, with faint inconspicuous nerves, green, smooth, very short-stalked, the beaks 1 mm long, shallowly bidentate; female scales egg-shaped, equalling or slightly shorter than the perigynia, pointed or short-awned, greenish-translucent, the midribs greenish, the margins translucent; stigmas 2; achenes lens-shaped, smooth, 1.8-2.2 mm long, filling the bodies of the perigynia.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Moist to dry meadows, open forests and shrublands in the steppe and montane zones; rare in SC BC; S to CO, UT, NV and CA.

Source: The Illustrated Flora of British Columbia

Ecology

Ecological Framework for Carex vallicola

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) 20 1005 1480
Slope Gradient (%) 0 5 15
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
90 34 340
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
6 6 7
Modal Nutrient Regime
Class
D
Number of field plots
 species was recorded in:
4
Modal BEC Zone Class
MS
All BEC Zones (# of stations/zone) species was recorded in: CWH(1), ESSF(1), MS(2)

Taxonomic and Nomenclatural Links

Additional Photo Sources

Related Databases

General References