Solidago squarrosa Nutt. - Stout Goldenrod


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Solidago squarrosa - (image 1 of 4)



Family: Asteraceae


Rocky woods and openings.




New Brunswick to southern Ontario, south to OH, southern IN, and in mountains to NC.


Herbaceous perennial from a branched caudex; stems 30-150 cm, more or less glabrous below the inflorescence and rough-puberulent in the inflorescence; leaves basally disposed, glabrous throughout or somewhat scabrous above, the largest ones tapering or abruptly contracted to a long petiole, the blade broadly oblanceolate to obovate, elliptic of elliptic-ovate, sharply serrate, to 20 cm long; inflorescence narrow and elongate, leafy-bracteate at least near the base; involucres 5-9 mm; involucral bracts firm, at the least the outer ones with squarrose herbaceous tips; rays 10-17, 3.5-5 mm; disk flowers mostly 13-24; achenes glabrous, 3-3.5 mm.


Flowers August to September

Wetland indicator: NA

Easily distinguished from other Solidago spp. with basally disposed leaves and narrow, elongate terminal inflorescences by the squarrose-tipped bracts of the heads.


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




 Michael Hough 2018