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

Pedicularis bracteosa Benth. var. bracteosa
bracted lousewort
Orobanchaceae (Broom-rape family)
(Previously in Scrophulariaceae)

Introduction to Vascular Plants

© Curtis Bjork  Email the photographer   (Photo ID #15774)

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Distribution of Pedicularis bracteosa var. bracteosa
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Species Information

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General:
Perennial herb from a mix of coarse fibrous and tuberous-thickened roots, smooth except long-hairy in the inflorescence; stems single or clustered, erect, 30-100 cm tall, unbranched.
Leaves:
Basal leaves similar to the stem leaves but longer-stalked, or much smaller or lacking; stem leaves alternate, short-stalked to unstalked, 7-16 cm long, deeply pinnately cleft into narrowly oblong to lanceolate segments, the main segments 1-7 cm long, jaggedly incised and also finely saw-toothed or merely double-toothed, the leaves reduced and less divided upward.
Flowers:
Inflorescence a dense, elongate, terminal spike of numerous flowers, above several hairy, leaflike but undivided bracts; corollas yellow or tinged with red or purple to wholly purple, 13-21 mm long, 2-lipped, the upper lip hood-like, beakless or very short-beaked, about as long as the tube, the lower lip 3-lobed; calyces 7-10 mm long, hairy, 5-lobed, the lobes glandular-hairy to nearly smooth, the upper lobe shortest; stamens 4.
Fruits:
Capsules, asymmetrical, flattened, curved, smooth, 10-12 mm long; seeds several, 2-5 mm long, net-veined.
Notes:
Two varieties occur in BC

1. Free tips of the lateral calyx-lobes very slender, threadlike, glandular; the common variety................... var. bracteosa

1. Free tips of the lateral calyx-lobes lanceolate to triangular, sparsely or not at all glandular; infrequent in C and S BC........................... var. latifolia (Pennell) Cronq.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Moist meadows, thickets and open forests in the montane to alpine zones; common throughout BC south of 56degreeN; var. bracteosa - E to AB and S to MT, ID and OR; var. latifolia - S to ID and WA.

Source: The Illustrated Flora of British Columbia

Ecology

Ecological Framework for Pedicularis bracteosa var. bracteosa

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) 1716 1716 1716
Slope Gradient (%) 20 20 20
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
10 10 10
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
4 4 4
Modal Nutrient Regime
Class
D
Number of field plots
 species was recorded in:
1
Modal BEC Zone Class
ESSF
All BEC Zones (# of stations/zone) species was recorded in: ESSF(1)

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.

Synonyms and Alternate Names

Pedicularis montanensis Rydb.
Pedicularis paddoensis Pennell
Pedicularis thompsonii Pennell

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References