Solidago rugosa Mill. - Rough Goldenrod


 

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Solidago rugosa - (image 1 of 5)

 

Taxonomy

Family: Asteraceae  

Habitat

Various, including thickets, sterile acid sites, bogs.

Associates

 

 Distribution

Newfoundland west to MI and MO, south FL to TX.

Morphology

Herbaceous perennial to 1.5 m, occasionally to 2.5 m, from long creeping rhizomes. Leaves mainly cauline, numerous, slightly to very strongly rugose-veiny, not triple-nerved, glabrous or scabrous above, usually hirsute at least on the midrib and main veins below, lance-elliptic to lance-ovate or rhombic-elliptic, serrate, subsessile and not clasping the stem. Flowers yellow; heads crowded in paniculiform inflorescences; inflorescence branches recurved-secund; involucral bracts slender, not more than about 0.6 mm wide; rays 6-11, small; disk flowers 4-8.

Notes

Flowers August to October

Wetland indicator: Facultative +

This species has two recognized subspecies, ssp. aspera and ssp. rugosa, the latter divided into three varieties.

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 2009