Carex lachenalii Schkuhr
two-parted sedge (hare's-foot sedge; twotipped sedge)
Cyperaceae (Sedge family)
Introduction to Vascular Plants
two-parted sedge (hare's-foot sedge; twotipped sedge)
Cyperaceae (Sedge family)
Introduction to Vascular Plants
Photograph
Species Information
General:
Perennial, somewhat tufted herb from elongate fibrous roots; stems dark green, 5-25 cm tall, longer than the leaves.
Leaves:
Sheaths tight; blades numerous, borne on the lower part of the stem, 1.5-2 mm wide, flat.
Flowers:
Spikes 3-6 in a 0.5- to 1.5-cm long, dense head, occasionally with the lowermost spike separate, egg-shaped, several-flowered, 2-3 mm long, ascending, with both female and male flowers, the female flowers towards the tips, the male flowers inconspicuous, the top spike larger than the lower ones; bracts lacking.
Fruits:
Perigynia egg-shaped, 2.5-3 mm long, 0.8-1 mm wide, brownish, minutely whitish-dotted, biconvex, smooth, nerved, especially above, unstalked, the beaks 0.25 mm long, smooth, not cleft; female scales egg-shaped, covering most of the perigynia, pointed, green, with green midribs; stigmas 2; achenes lens-shaped, 1.5 mm long, filling the perigynia.
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 lachenalii
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) |
1712 | 224 | 2324 |
| Slope
Gradient (%) |
8 | 0 | 47 |
|
Aspect (degrees) |
332 | 10 | 360 |
| Soil
Moisture Regime (SMR) [0 - very xeric; 4 - mesic; 8 - hydric] |
5 | 1 | 8 |
| Modal
Nutrient Regime
Class |
C | ||
| #
of field plots species was recorded in: |
56 | ||
| Modal
BEC Zone Class |
BAFA | ||
|
All BEC Zones (# of stations/zone) species was recorded in |
AT(3), BAFA(23), ESSF(18), ICH(1), IMA(2), MH(1), MS(2), SBPS(1), SBS(1), SWB(3) | ||
|
Source:
Klinkenberg 2013
|
|||
Habitat and Range
Mesic to moist streambanks, snowbeds, rocky places and fens and bogs in the subalpine and alpine zones; infrequent throughout BC in and E of the Coast-Cascade Mountains; circumpolar, N to AK, YT and NT, E to NF and S to CO and UT; Greenland, Eurasia, New Zealand.Status Information
Synonyms
Synonyms and Alternate Names:
Carex bipartita auct. non All.
Carex bipartita var. austromontana F.J. Herm.
Carex lagopina
Carex tripartita