Solidago ohioensis Riddell - Ohio Goldenrod


 

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Solidago ohioensis - (image 1 of 6)

 

Taxonomy

Family: Asteraceae

 

Some authorities call this plant Oligoneuron ohioense (Frank ex Riddell) G.N. Jones. The genus Oligoneuron would include species with corymbiform inflorescences with numerous heads and involucral bracts that have a few longitudinal striations.  

Habitat

Characteristic of calcareous fens. Also on low sandflats near Lake Michigan.

Associates

In fens with Aster novae-angliae, Cirsium muticum, Eupatorium maculatum, Liatris aspera, Lobelia kalmii, Lycopus americanus, Lysimachia quadriflora, Lythrum alatum, Oxypolis rigidior, Parnassia glauca, Pedicularis lanceolata, Potentilla fruiticosa, Solidago riddellii. On low sandflats with Aster ptarmicoides, Hypericum kalmianum, Juncus balticus littoralis, Lobelia kalmii, Parnassia glauca, Satureja (Calamintha) arkansana.

 Distribution

Central NY and southern Ontario west to IL, MI, and WI.

Morphology

Herbaceous perennial. Lower and upper leaves dissimilar: the lowermost well developed and usually persistent, mostly more than 1 cm wide, tapered to the petiolate bases; the upper gradually reduced, becoming sessile with usually more of less sheathing or clasping bases. Leaves flat, obtuse to subacute, never 3-nerved. Stems and leaves glabrous. Flowers yellow; heads in flat or flattish-topped, corymbiform inflorescences; inflorescence branches and pedicels glabrous.

Notes

Flowers mid June to early October

Wetland indicator: Obligate

One of the commonest plants in rich fens. Considered to be threatened in NY, perhaps due to vulnerability of fens to exploitation.

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.

 

USDA, NRCS. 2002. The PLANTS Database, Version 3.5 (http://plants.usda.gov).
National Plant Data Center, Baton Rouge, LA 70874-4490 USA.

 


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 Michael Hough 2005