Carex sychnocephala Carey
many-headed sedge
Cyperaceae (Sedge family)

Introduction to Vascular Plants

Photograph

© Bryan Kelly-McArthur     (Photo ID #87994)


Map

E-Flora BC Static Map

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

Species Information

General:
Perennial, tufted herb from fibrous roots; stems 5-50 cm tall, decumbent, barely exceeding the leaves, often nodding.
Leaves:
Sheaths tight; blades flat, 1.5-4 mm wide, borne on the lower 1/3 of the stem.
Flowers:
Spikes 5 to 15, aggregated into a 1- to 3-cm long ellipsoid head, unstalked, with both female and male flowers, the female ones towards the tips; bracts subtending the spikes sheathless, the lowermost much-prolonged, 2-15 cm long, the others slightly shorter.
Fruits:
Perigynia narrowly lanceolate, 4.5-6 mm long, 0.9-1.2 mm wide, light green to straw-coloured or brownish, more or less flattened, the margins very narrowly winged nearly to the bases and the upper 1/2 fringed with teeth, lightly several-nerved on both sides or nerveless below, the beaks bidentate, 2.5-4 mm long, narrowly margined and toothed below; female scales lanceolate, brownish, with green centres and translucent margins, somewhat shorter and narrower than the perigynia, short-awned; stigmas 2; achenes lens-shaped, 1.1-1.3 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.

Ecology

Ecological Framework for Carex sychnocephala

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)
1043 875 1212
Slope Gradient (%)
2 0 5

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

270 270 270
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
6 5 7
Modal Nutrient Regime
Class
D
# of field plots
 species was recorded in:
2
Modal BEC Zone Class
PP

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

IDF(1), PP(1)

Habitat and Range

Shorelines and wet to moist meadows in the steppe and montane zones; infrequent in SC and SE BC; N to S YT and S NT, E to S PQ and S to MI, WI, MO, SD, CO and N WA.

SourceThe Illustrated Flora of British Columbia