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Rigid goldenrod

Also known as: stiff goldenrod

Solidago rigida L.

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Rigid goldenrod leaves
Rigid goldenrod
Rigid goldenrod inflorescence
Rigid goldenrod in winter
Rigid goldenrod habit
Rigid goldenrod
Rigid goldenrod
Rigid goldenrod
Rigid goldenrod basal leaf
Rigid goldenrod inflorescence
Rigid goldenrod
Rigid goldenrod
Rigid goldenrod
Rigid goldenrod
Rigid goldenrod

Morphology

Stem
Erect, stout, clustered, usually unbranched, leafy, rough-hairy.
Leaves
Alternate, simple, long-stalked below, sessile above, broadly ovate to lanceolate, 2 to 10 inches long, 1 to 4 inches wide, thick, rigid, rough on both surfaces or somewhat glabrous beneath; margins mostly entire; tips pointed; upper leaves reduced.
Inflorescence
Corymb-like, flat-topped to rounded, densely flowered, terminal; heads about 3/8 inch wide; bracts firm, rounded.
Flower
Ray florets 7-14, about 1/4 inch long, yellow; disk florets 19-31, yellow.
Fruit
Achenes, ribbed, glabrous, tipped with whitish bristles, enclosing small seed.

Ecology

Habitat
Dry open prairies, pastures, and hillsides, on rocky or sandy sites.
Distribution
East 4/5 of Kansas.

Additional Notes

Comments

Rigid goldenrod has deep roots that allow it to compete well with native grasses. It increases in overgrazed pastures.

Quick Facts
Plant Type
Wildflower
Family
Asteraceae - Sunflower Family
Life Span
Perennial
Height
1-5 feet
Last Updated
2021-02-20
Color Groups
Yellow Wildflowers
Flowering Period
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Blooms: August, September, October