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FNA | Family List | FNA Vol. 20 | Asteraceae | Solidago

67b. Solidago nemoralis Aiton subsp. decemflora (de Candolle) Brammall ex Semple, Phytologia. 58: 430. 1985.

Solidago decemflora de Candolle in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. 5: 332. 1836; Doria pulcherrima (A. Nelson) Lunell; S. canadensis Linnaeus 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 A. Nelson

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.

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

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.


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