Pedicularis canadensis

From Coastal Plain Plants Wiki
Jump to: navigation, search

Common name: Canadian lousewort [1], eastern lousewort [2], wood-betony [2]

Pedicularis canadensis
Pedicularis canadensis SEF.jpg
Photo by John Gwaltney hosted at Southeastern
Scientific classification
Kingdom: Plantae
Division: Magnoliophyta - Flowering plants
Class: Magnoliopsida - Dicots
Order: Scrophulariales
Family: Scrophulariaceae
Genus: Pedicularis
Species: P. canadensis
Binomial name
Pedicularis canadensis
Natural range of Pedicularis canadensis from USDA NRCS Plants Database.

Taxonomic Notes

Synonyms: P. canadensis var. dobbsii Fernald

Varieties: none


P. canadensis is a perennial forb/herb/subshrub of the Scrophulariaceae family native to North America and Canada. [1]


P. canadensis is found in the eastern half of the United States, as well as the Manitoba, Ontario, and Quebec regions of Canada. [1]



P. canadensis proliferates in moist to dry forests and woodlands and streambanks. [2] Specimens have been collected from loamy sand in hardwood forest, border of swamp area, and magnolia-beech-oak woods. [3]


P. canadensis has been observed flowering March through May. [4] STEMS: unbranched, up to 20 cm tall. LEAVES: deeply dissected, 10 cm long, 4 cm wide, most of the leaves clustered at the base of the stem. FLOWERS: borne in dense heads, two-lipped, 2 cm long, 0.5 cm wide. CAPSULE: 1 cm long, enclosed by green sepals. SEEDS: about 10 per capsule 5 mm long, brown. [5]

Fire ecology

P. canadensis is not fire resistant, but has a medium fire tolerance. [1]

Conservation and Management

Cultivation and restoration

Photo Gallery

References and notes

  1. 1.0 1.1 1.2 1.3 USDA Plant Database
  2. 2.0 2.1 2.2 Weakley, A. S. (2015). Flora of the Southern and Mid-Atlantic States. Chapel Hill, NC, University of North Carolina Herbarium.
  3. URL: Last accessed: June 2018. Collectors: Loran C. Anderson, Rodie White, R.K. Godfrey, William Platt, M. Carr. States and counties: Florida (Gadsden, Jackson, Leon, Washington, Wakulla) Georgia (Thomas, Grady)
  4. Nelson, G. PanFlora: Plant data for the eastern United States with emphasis on the Southeastern Coastal Plains, Florida, and the Florida Panhandle. Accessed: 24 MAY 2018
  5. Musselman, L. J. and W. F. Mann, Jr (1978). Root parasites of southern forests. , USDA Forest Service, Southern For. Exp. Station, New Orleans, LA. Gen. Tech. Rpt. SO-20. : 76.