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

Carex raynoldsii Dewey
Raynolds' sedge
Cyperaceae (Sedge family)

Introduction to Vascular Plants

© Ryan Batten  Email the photographer   (Photo ID #25806)

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Distribution of Carex raynoldsii
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Species Information

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General:
Perennial, tufted herb from short, stout rhizomes; stems 15-60 cm tall, exceeding the leaves.
Leaves:
Sheaths purplish-red towards the bases; blades flat, 3-8 mm wide, the lower ones fully developed.
Flowers:
Spikes 3 to 6, the terminal one with male flowers, the lower spikes 2 to 5, mostly remote, with female flowers, 0.6-2.5 cm long, short-stalked, erect; bracts subtending the spikes without sheaths, the lowermost leaflike, about equalling or longer than the inflorescence.
Fruits:
Perigynia egg-shaped, 3.5-4.5 mm long, 1.8-2 mm wide, plump, yellowish-green to yellowish-brown, marginally 2-ribbed, several-nerved, the beaks obscure, less than 0.4 mm long; female scales lanceolate, nearly as long as and narrower than the perigynia, pointed at the tips, brown to black, with light brown margins; stigmas 3; achenes 3-angled, 2.2-2.5 mm long.

Source: The Illustrated Flora of British Columbia

USDA Species Characteristics

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

Habitat / Range

Moist to dry meadows and open forests in the steppe to subalpine zones; infrequent in S BC in and east of the Coast-Cascade Mountains; E to SW SK and S to CO, UT, NV, and CA.

Source: The Illustrated Flora of British Columbia

Ecology

Ecological Framework for Carex raynoldsii

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) 816 1990 2468
Slope Gradient (%) 0 34 110
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
26 158 330
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
1 3 7
Modal Nutrient Regime
Class
D
Number of field plots
 species was recorded in:
32
Modal BEC Zone Class
ESSF
All BEC Zones (# of stations/zone) species was recorded in: AT(2), ESSF(18), IDF(1), IMA(3), MS(3)

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

Carex lyallii Boott

Taxonomic and Nomenclatural Links

Additional Photo Sources

Related Databases

General References