Difference between revisions of "Solidago speciosa var. rigidiuscula"

Torrey & A. Gray

Fl. N. Amer. 2: 205. 1842.

IllustratedEndemic
Synonyms: Solidago chandonnettii E. S. Steele Solidago rigidiuscula (Torrey & A. Gray) Porter Solidago venulosa Greene
Treatment appears in FNA Volume 20. Treatment on page 124. Mentioned on page 123.
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|tribe=Asteraceae tribe Astereae
 
|tribe=Asteraceae tribe Astereae
 
|genus=Solidago
 
|genus=Solidago

Revision as of 21:47, 27 May 2020

Leaves: basal persisting or not to flowering, 8–20 mm wide, often entire or serrulate; mid cauline 4–15(–20) mm wide, often crowded, usually stiff, often somewhat scabrous. 2n = 18.


Phenology: Flowering (Aug–)Sep–Oct.
Habitat: Sandy and gravelly soils, grasslands, oak savannas, open woods, road embankments
Elevation: 100–900+ m

Distribution

V20-248-distribution-map.gif

Ont., Ill., Ind., Iowa, Kans., Ky., La., Mich., Minn., Mo., Nebr., N.Dak., Ohio., Okla., S.Dak., Tenn., Tex., Wis.

Discussion

Variety rigidiuscula is found in western portions of the deciduous forest and adjacent prairies and in glade habitats farther east. It tends to be shorter and have more compact, elongate arrays than var. speciosa. Plants with persistent basal leaves have been erroneously referred to var. angustata, which is a synonym of var. speciosa. Plants similar to var. rigidiuscula occur scattered farther east; they are more likely to be water-stressed individuals of var. speciosa.

Selected References

None.

Lower Taxa

None.
John C. Semple +  and Rachel E. Cook +
Torrey & A. Gray +
Ont. +, Ill. +, Ind. +, Iowa +, Kans. +, Ky. +, La. +, Mich. +, Minn. +, Mo. +, Nebr. +, N.Dak. +, Ohio. +, Okla. +, S.Dak. +, Tenn. +, Tex. +  and Wis. +
100–900+ m +
Sandy and gravelly soils, grasslands, oak savannas, open woods, road embankments +
Flowering (Aug–)Sep–Oct. +
Fl. N. Amer. +
Illustrated +  and Endemic +
Solidago chandonnettii +, Solidago rigidiuscula +  and Solidago venulosa +
Solidago speciosa var. rigidiuscula +
Solidago speciosa +
variety +