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

Carex hoodii Boott
Hood's sedge
Cyperaceae (Sedge family)

Introduction to Vascular Plants

© Jamie Fenneman  Email the photographer   (Photo ID #29943)

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Distribution of Carex hoodii
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Species Information

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General:
Perennial, densely tufted herb from fibrous roots; stems 30-80 cm tall, densely clustered, roughened on the angles above, longer than the leaves.
Leaves:
Sheaths tight; blades 2 or 3 per stem, borne on the lower 1/4 of the stem, flat or channeled below, 1.5-3.5 mm wide.
Flowers:
Spikes 4 to 8, densely aggregated into an egg- or globe-shaped, 1- to 2-cm long head, the spikes not distinguishable below, unstalked, with both female and male flowers, the inconspicuous male flowers towards the tips; bracts lacking or a rudimentary.
Fruits:
Perigynia egg-shaped, 3.4-5 mm long, 1.5-2.5 mm wide, convex and nerved above, concave and nerveless below, green, smooth, very short-stalked, finely toothed on the upper 1/2, the beaks 1/3 the length of the bodies, bidentate; female scales egg-shaped, equalling or slightly shorter than the perigynia, pointed, brown, the midribs greenish, the margins translucent; stigmas 2; achenes lens-shaped, smooth, 1.8-2 mm long.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Moist to dry meadows and forest openings in all vegetation zones; common in BC south of 56degreeN except absent from the Queen Charlotte Islands, N Vancouver Island, and the adjacent mainland; E to SW SK and S to SD, CO, UT, NV and CA.

Source: The Illustrated Flora of British Columbia

Ecology

Ecological Framework for Carex hoodii

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) 580 1603 2390
Slope Gradient (%) 1 39 78
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
20 174 340
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
0 3 7
Modal Nutrient Regime
Class
D
Number of field plots
 species was recorded in:
72
Modal BEC Zone Class
ESSF
All BEC Zones (# of stations/zone) species was recorded in: AT(1), CWH(1), ESSF(37), ICH(2), IDF(3), MH(1), MS(20), PP(1), SBS(2)

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.

Taxonomic and Nomenclatural Links

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General References