Difference between revisions of "Pedicularis canadensis"

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Common name: Canadian lousewort <ref name= "USDA Plant Database"/>, eastern lousewort <ref name= "Weakley 2015"/>, wood-betony <ref name= "Weakley 2015"/>
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Common name: Canadian lousewort<ref name= "USDA Plant Database"/>, eastern lousewort<ref name= "Weakley 2015"/>, wood-betony<ref name= "Weakley 2015"/>
 
<!-- Get the taxonomy information from the NRCS Plants database -->
 
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{{taxobox
 
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==Taxonomic Notes==
 
==Taxonomic Notes==
Synonyms: ''P. canadensis'' var. ''dobbsii'' Fernald
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Synonyms: none.<ref name="weakley">Weakley, A.S. 2015. Flora of the southern and mid-atlantic states. Working Draft of 21 May 2015. University of North Carolina at Chapel Hill, Chapel Hill, North Carolina.</ref>
  
Varieties: none
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Varieties: none.<ref name="weakley">Weakley, A.S. 2015. Flora of the southern and mid-atlantic states. Working Draft of 21 May 2015. University of North Carolina at Chapel Hill, Chapel Hill, North Carolina.</ref>
  
 
==Description==  
 
==Description==  
 
<!-- Basic life history facts such as annual/perrenial, monoecious/dioecious, root morphology, seed type, etc. -->
 
<!-- Basic life history facts such as annual/perrenial, monoecious/dioecious, root morphology, seed type, etc. -->
''P. canadensis'' is a perennial forb/herb/subshrub of the ''Scrophulariaceae'' family native to North America and Canada. <ref name= "USDA Plant Database"> USDA Plant Database [https://plants.usda.gov/core/profile?symbol=PECA https://plants.usda.gov/core/profile?symbol=PECA] </ref>
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''P. canadensis'' is a perennial forb/herb/subshrub of the ''Scrophulariaceae'' family native to North America and Canada.<ref name= "USDA Plant Database"> USDA Plant Database [https://plants.usda.gov/core/profile?symbol=PECA https://plants.usda.gov/core/profile?symbol=PECA] </ref>
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The stems are unbranched and up to 20 cm tall. The peduncle is pubescent and the rachis is tomentose. Leaves are deeply dissected, pinnately lobed, 5-15 cm long, 1.5-5 cm wide, and mostly clustered at the base of the stem. They have an alternate arrangement, elliptic shape, and serrate margin. Flowers are borne in dense heads, two-lipped, 2 cm long, and 0.5 cm wide. The corolla is yellow or shaded with lavender with capsules that are 12-16 mm long. The capsule is 1 cm long and enclosed by green sepals. Seeds are about 10 per capsule, 5 mm long, with a brown color.<ref name= "Musselman and Mann 1978"> 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. </ref><ref name="weakley">Weakley, A.S. 2015. Flora of the southern and mid-atlantic states. Working Draft of 21 May 2015. University of North Carolina at Chapel Hill, Chapel Hill, North Carolina.</ref>
  
 
==Distribution==
 
==Distribution==
''P. canadensis'' is found in the eastern half of the United States, as well as the Manitoba, Ontario, and Quebec regions of Canada. <ref name= "USDA Plant Database"/>
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This plant ranges from Maine, Quebec, and Manitoba, south to northeastern and Panhandle Florida, Texas, and northern Mexico.<ref name="weakley">Weakley, A.S. 2015. Flora of the southern and mid-atlantic states. Working Draft of 21 May 2015. University of North Carolina at Chapel Hill, Chapel Hill, North Carolina.</ref>  
  
 
==Ecology==
 
==Ecology==
 
===Habitat=== <!--Natural communities, human disturbed habitats, topography, hydrology, soils, light, fire regime requirements for removal of competition, etc.-->
 
===Habitat=== <!--Natural communities, human disturbed habitats, topography, hydrology, soils, light, fire regime requirements for removal of competition, etc.-->
''P. canadensis'' proliferates in moist to dry forests and woodlands and streambanks. <ref name= "Weakley 2015"> Weakley, A. S. (2015). Flora of the Southern and Mid-Atlantic States. Chapel Hill, NC, University of North Carolina Herbarium. </ref> Specimens have been collected from loamy sand in hardwood forest, border of swamp area, and magnolia-beech-oak woods. <ref name = "FSU herbarium"> URL: http://herbarium.bio.fsu.edu. 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)</ref>
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''P. canadensis'' proliferates in moist to dry forests and woodlands and streambanks.<ref name= "Weakley 2015"> Weakley, A. S. (2015). Flora of the Southern and Mid-Atlantic States. Chapel Hill, NC, University of North Carolina Herbarium. </ref> Specimens have been collected from loamy sand in hardwood forest, border of swamp area, and magnolia-beech-oak woods.<ref name = "FSU herbarium"> URL: http://herbarium.bio.fsu.edu. 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)</ref>
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===Phenology=== <!--Timing off flowering, fruiting, seed dispersal, and environmental triggers.  Cite PanFlora website if appropriate: http://www.gilnelson.com/PanFlora/ -->
 
===Phenology=== <!--Timing off flowering, fruiting, seed dispersal, and environmental triggers.  Cite PanFlora website if appropriate: http://www.gilnelson.com/PanFlora/ -->
''P. canadensis'' has been observed flowering March through May. <ref name= "PanFlora"> Nelson, G. PanFlora: Plant data for the eastern United States with emphasis on the Southeastern Coastal Plains, Florida, and the Florida Panhandle. www.gilnelson.com/PanFlora/ Accessed: 24 MAY 2018 </ref> 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. <ref name= "Musselman and Mann 1978"> 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. </ref>
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''P. canadensis'' flowers from April through May and fruits from May through July.<ref name="weakley">Weakley, A.S. 2015. Flora of the southern and mid-atlantic states. Working Draft of 21 May 2015. University of North Carolina at Chapel Hill, Chapel Hill, North Carolina.</ref>  
 
<!--===Seed dispersal===-->
 
<!--===Seed dispersal===-->
 
<!--===Seed bank and germination===-->
 
<!--===Seed bank and germination===-->
  
 
===Fire ecology=== <!--Fire tolerance, fire dependence, adaptive fire responses-->
 
===Fire ecology=== <!--Fire tolerance, fire dependence, adaptive fire responses-->
''P. canadensis'' is not fire resistant, but has a medium fire tolerance. <ref name= "USDA Plant Database"/>
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''P. canadensis'' is not fire resistant, but has a medium fire tolerance.<ref name= "USDA Plant Database"/>
 
<!--===Pollination===-->  
 
<!--===Pollination===-->  
 
<!--===Use by animals===--> <!--Herbivory, granivory, insect hosting, etc.-->
 
<!--===Use by animals===--> <!--Herbivory, granivory, insect hosting, etc.-->

Revision as of 11:30, 16 November 2020

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

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

Taxonomic Notes

Synonyms: none.[3]

Varieties: none.[3]

Description

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

The stems are unbranched and up to 20 cm tall. The peduncle is pubescent and the rachis is tomentose. Leaves are deeply dissected, pinnately lobed, 5-15 cm long, 1.5-5 cm wide, and mostly clustered at the base of the stem. They have an alternate arrangement, elliptic shape, and serrate margin. Flowers are borne in dense heads, two-lipped, 2 cm long, and 0.5 cm wide. The corolla is yellow or shaded with lavender with capsules that are 12-16 mm long. The capsule is 1 cm long and enclosed by green sepals. Seeds are about 10 per capsule, 5 mm long, with a brown color.[4][3]

Distribution

This plant ranges from Maine, Quebec, and Manitoba, south to northeastern and Panhandle Florida, Texas, and northern Mexico.[3]

Ecology

Habitat

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.[5]

Phenology

P. canadensis flowers from April through May and fruits from May through July.[3]

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 USDA Plant Database https://plants.usda.gov/core/profile?symbol=PECA
  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. 3.0 3.1 3.2 3.3 3.4 Weakley, A.S. 2015. Flora of the southern and mid-atlantic states. Working Draft of 21 May 2015. University of North Carolina at Chapel Hill, Chapel Hill, North Carolina.
  4. 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.
  5. URL: http://herbarium.bio.fsu.edu. 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)