Solidago canadensis L. - Canada Goldenrod


 

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Solidago canadensis - (image 1 of 5)

 

Taxonomy

Family: Asteraceae

Habitat

Found in a wide range of degraded, open, or partly shaded habitats.

Associates

 

 Distribution

Most of the U.S. and southern Canada.

Morphology

Herbaceous perennial to 2 m high. Leaves tri-nerved, lowest leaves about the same size as the lower, abruptly reduced and bracteate in the inflorescence, lowest leaves usually brown and dead, not leafy in axils, subtending leaves not exceeding the inflorescence. Stems terete, short hairy and rough below flower plume. Heads in terminal panicles. Flowers bright yellow; involucres 2-3 mm, stem hairy above middle.

Notes

Flowers mid July to mid September

Wetland indicator: Facultative Upland

This species can form rather large vegetative stands and can be difficult to control. Not a good species for cultivation. Some authorities consider S. altissima L. (Tall Goldenrod) to be synonymous with S. canadensis. Solidago altissima has involucres more than 3 mm long, while S. canadensis has involucres less than 3 mm long.

References

Gleason, Henry A. and A. Cronquist. 1991. Manual of Vascular Plants of Northeastern United States and Adjacent Canada. Second Ed.

The New York Botanical Garden. Bronx, NY

 

Swink, F. and G. Wilhelm. 1994. Plants of the Chicago Region.
Indiana Academy of Science. The Morton Arboretum. Lisle, Illinois.

 


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 Michael Hough 2005