Blue toadflax
Prepared by Jennifer L. D’Appollonio, Assistant Scientist, University of Maine, Orono, ME 04469. March 2011.
Scientific name: Nuttallanthus canadensis (L.) D.A. Sutton
Common name(s): blue toadflax, Canada toadflax, old-field toadflax
Links: USDA PLANTS Profile , NPIN Profile, Go Botany
Images: (to see enlargements [PC]: click on image, then right click and choose “view image”)
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- early emergence, early June
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- early June
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- early emergence
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- in flower, late June
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- early July
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- late flower, mid-July
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- late July
Description:
-annual/biennial
-leaves are simple and entire
-opposite and alternate leaves
-flowers are light blue-white
-blooms May-July
Habitat:
-disturbed areas
-sandy soils
-meadows and fields
Sources:
Go Botany. “Nuttallanthus Canadensis (L.) D.A. Sutton.” Nuttallanthus Canadensis (Oldfield-Toadflax): Go Botany, 2020, gobotany.nativeplanttrust.org/species/nuttallanthus/canadensis/.
Wisconsin State Herbarium. “ Nuttallanthus Canadensis (L.) D.A.Sutton.” Online Virtual Flora of Wisconsin – Nuttallanthus Canadensis, wisflora.herbarium.wisc.edu/taxa/index.php?taxon=13170.