Carex macloviana d'Urv.
Falkland Island sedge (thickhead sedge)
Cyperaceae (Sedge family)
Introduction to Vascular Plants
Falkland Island sedge (thickhead sedge)
Cyperaceae (Sedge family)
Introduction to Vascular Plants
Species Information
General:
Perennial, tufted herb from fibrous roots; stems sharply triangular, 20-50 cm tall, exceeding the leaves.
Leaves:
Sheaths tight; blades flat, 2-4 mm wide, borne on the lower 1/3 of the stem.
Flowers:
Spikes 5 to 10 aggregated into a dense, triangular egg-shaped head, 1-2.5 cm in diameter, unstalked, with both female and male flowers, the female ones towards the tips; bracts subtending the spikes sheathless, reduced, inconspicuous.
Fruits:
Perigynia egg-shaped, 3-4.5 mm long, 1-1.5 mm wide, dark green to brown, with copper-brown edges, the margins winged nearly to the bases and the upper 1/2 fringed with teeth, lightly several-nerved on the backs, with faint nerves or nerveless below, the beaks shallowly bidentate, up to 1 mm long, narrowly margined and toothed below; female scales elliptical, brown, with broad translucent margins, somewhat shorter and narrower than the perigynia; stigmas 2; achenes lens-shaped, 0.8-1.3 mm long.
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.
Illustration Source: The Illustrated Flora of British Columbia
Ecology
Ecological Framework for Carex macloviana
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)
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) |
1503 | 550 | 2200 |
| Slope
Gradient (%) |
19 | 0 | 230 |
|
Aspect (degrees) |
195 | 20 | 360 |
| Soil
Moisture Regime (SMR) [0 - very xeric; 4 - mesic; 8 - hydric] |
4 | 0 | 8 |
| Modal
Nutrient Regime
Class |
D | ||
| #
of field plots species was recorded in: |
124 | ||
| Modal
BEC Zone Class |
ESSF | ||
|
All BEC Zones (# of stations/zone) species was recorded in |
AT(3), BAFA(5), BG(1), BWBS(2), CWH(2), ESSF(53), ICH(2), IDF(3), MS(14), SBPS(6), SBS(22), SWB(3) | ||
|
Source:
Klinkenberg 2013
|
|||
Habitat and Range
Lakeshores and moist to mesic meadows, forests, grassy slopes and shrub carrs and forest openings in the montane to alpine zones; frequent in N BC, rare in S BC in and east of the Coast-Cascade Mountains; disjunct circumpolar, N to AK, YT and NT, disjunct to Labr., S to WY and CO; Greenland, Iceland, N Europe, S Chile, Falkland Islands.Status Information
Synonyms
Synonyms and Alternate Names:
Carex festiva Dewey
Carex festiva var. gracilis Olney
Carex festiva var. pachystachya (Cham. ex Steud.) L.H. Bailey
Carex incondita F.J. Herm.
Carex macloviana subsp. macloviana
Carex macloviana subsp. pachystachya (Cham. ex Steud.) Hultén
Carex macloviana subsp. subfusca (W. Boott) T. Koyama
Carex macloviana var. pachystachya (Cham. ex Steud.) Kük.
Carex multimoda L.H. Bailey
Carex pachystachya var. gracilis (Olney) Mack.
Carex pachystachya var. monds-coulteri L. Kelso
Carex pyrophila Gandog.
Carex soperi Raup
Carex stenoptera Mack.