Solidago nemoralis subsp. decemflora

(de Candolle) Brammall ex Semple

Phytologia 58: 430. 1985.

Endemic
Basionym: Solidago decemflora de Candolle in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. 5: 332. 1836
Synonyms: Doria pulcherrima (A. Nelson) Lunell S. canadensis var. canescens A. Gray S. longipetiolata Mackenzie & Bush S. nemoralis subsp. longipetiolata (Mackenzie & Bush) G. W. Douglas S. nemoralis var. decemflora (de Candolle) Fernald S. nemoralis var. longipetiolata (Mackenzie & Bush) E. J. Palmer & Steyermark S. pulcherrima
Treatment appears in FNA Volume 20. Treatment on page 160. Mentioned on page 159.
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Basal leaves often linear-oblanceolate, usually not crenate. Involucres usually 4.6–5.8 mm. Disc corolla lobes (0.6–) 0.8–1.5 mm. Cypselae moderately strigose; pappi usually exceeding ray corolla tubes and bases of disc corolla lobes. 2n = 36.


Phenology: Flowering Aug–Oct.
Habitat: Open, sandy and gravelly soils, disturbed sites, roadsides, prairies and grasslands, drier open mixed deciduous and conifers woods
Elevation: 200–1600 m

Distribution

V20-347-distribution-map.gif

Alta., B.C., Man., Ont., Sask., Ark., Colo., Ill., Ind., Iowa, Kans., Mich., Minn., Mo., Mont., Nebr., N.Mex., N.Dak., Okla., S.Dak., Tex., Wyo.

Discussion

Subspecies decemflora is the tetraploid prairie and lower elevation cordilleran race of the species. Combinations based on Solidago longipetiolata have been applied to this race; the name does not have nomenclatural priority.

Selected References

None.

Lower Taxa

None.
John C. Semple +  and Rachel E. Cook +
(de Candolle) Brammall ex Semple +
Solidago decemflora +
Alta. +, B.C. +, Man. +, Ont. +, Sask. +, Ark. +, Colo. +, Ill. +, Ind. +, Iowa +, Kans. +, Mich. +, Minn. +, Mo. +, Mont. +, Nebr. +, N.Mex. +, N.Dak. +, Okla. +, S.Dak. +, Tex. +  and Wyo. +
200–1600 m +
Open, sandy and gravelly soils, disturbed sites, roadsides, prairies and grasslands, drier open mixed deciduous and conifers woods +
Flowering Aug–Oct. +
Doria pulcherrima +, S. canadensis var. canescens +, S. longipetiolata +, S. nemoralis subsp. longipetiolata +, S. nemoralis var. decemflora +, S. nemoralis var. longipetiolata +  and S. pulcherrima +
Solidago nemoralis subsp. decemflora +
Solidago nemoralis +
subspecies +