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

Pedicularis labradorica Wirsing
Labrador lousewort
Orobanchaceae (Broom-rape family)
(Previously in Scrophulariaceae)

Introduction to Vascular Plants

© Jamie Fenneman  Email the photographer   (Photo ID #29843)

E-Flora BC Static Map
Distribution of Pedicularis labradorica
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Species Information

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General:
Annual, biennial or short-lived perennial herb from a spindly taproot; stems ascending to erect, 10-30 cm tall, 1 to several, simple or more commonly branched, white-hairy typically in lines below the leaf bases, increasingly so upward.
Leaves:
Basal leaves small; stem leaves alternate, stalked, pinnately cleft to lobed, the segments coarsely toothed, the stalks wing-margined; leaves gradually reduced upward.
Flowers:
Inflorescence compact to elongate, of few to several (5 to 10) flowers in a terminal cluster or in axils of the stem leaves; corollas yellow, often with orange or red markings, 13-17 mm long, 2-lipped, the upper lip 4-7 mm long, slightly arched, hood-like, beakless or short-beaked but with a pair of slender teeth near the tip, the lower lip 3-lobed, fringed with minute hairs; calyces 4-6 mm long, smooth or somewhat hairy at the base, 2- to 3-lobed; stamens 4, the filaments long-hairy or smooth.
Fruits:
Capsules, narrowly oblong, pointy-tipped, flattened, borne horizontally; seeds several.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Wet to dry forests, thickets, clearings, rocky or peaty slopes, swamps and bogs in the montane to subalpine zones; frequent in BC north of 53degreeN; circumpolar, N to AK, YT and NT and E to NF; Greenland, Eurasia.

Source: The Illustrated Flora of British Columbia

Ecology

Ecological Framework for Pedicularis labradorica

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) 82 1129 2125
Slope Gradient (%) 0 15 173
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
2 213 360
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
1 4 8
Modal Nutrient Regime
Class
c
Number of field plots
 species was recorded in:
361
Modal BEC Zone Class
BWBS
All BEC Zones (# of stations/zone) species was recorded in: BAFA(23), BWBS(152), ESSF(46), ICH(1), MS(11), SBPS(1), SBS(6), SWB(85)

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.

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References