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Solidago rigida - (image 1 of 4)

Taxonomy

Family: Asteraceae

Some authorities call this plant Oligoneuron rigidum (L.) Small. The genus Oligoneuron would include species with corymbiform inflorescences with numerous heads and involucral bracts that have a few longitudinal striations.  

Habitat

Common in moist to dry prairie remnants. Survives severe degradation. Does well in sandy soil.

Associates

Amorpha canescens, Andropogon gerardii, Aster ericoides, Aster laevis, Comandra umbellata, Coreopsis palmata, Coreopsis tripteris, Eryngium yuccifolium, Helianthus rigidus, Lespedeza capitata, Lithospermum canescens, Monarda fistulosa, Panicum oligosanthes scribnerianum, Panicum virgatum, Parthenium integrifolium, Pycnathemum virginianum, Ratibida pinnata, Silphium laciniatum, Silphium terebinthinaceum, Spartina pectinata, Stipa spartea.

 Distribution

RI, CT, western MA, and NY, south to GA, and west Alberta to NM. More common in the west.

Morphology

Stiff, herbaceous perennial. Lower and upper leaves dissimilar. Leaves not folded, thick and upright and appressed towards stem. Stems and leaves densely pubescent throughout. Flowers yellow; heads in flat topped, corymbiform inflorescences.

Notes

Flowers late July to early October

Wetland indicator: Facultative Upland -

This is one of the more attractive goldenrods and is well-behaved under cultivation in my experience, at least compared to many other goldenrods. Plants grown from seed will bloom after 2-3 years. 

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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