Carex raynoldsii Dewey
Raynolds' sedge
Cyperaceae (Sedge family)

Introduction to Vascular Plants

Photograph

© Ryan Batten     (Photo ID #25806)


Map

E-Flora BC Static Map

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

Species Information

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.

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 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

Avg

Min

Max

Elevation (metres)
1990 816 2468
Slope Gradient (%)
34 0 110

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

158 26 330
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
3 1 7
Modal Nutrient Regime
Class
D
# 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)

Habitat and 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.

SourceThe Illustrated Flora of British Columbia

Synonyms

Synonyms and Alternate Names:
Carex lyallii Boott