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.

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.
not tailed +, rounded +  and obtuse +
distinct +
subequal +
scarious +
usually triangular +  and linear +
usually deltate +  and lanceolate +
paniculiform +
indeterminate +  and determinate +
pyramidal +  and wand-like +
John C. Semple +  and Rachel E. Cook +
(de Candolle) Brammall ex Semple +
not persisting +
decurrent +
Solidago decemflora +
compound +  and simple +
1.6 cm16 mm <br />0.016 m <br /> (4.5 cm45 mm <br />0.045 m <br />) +
linear-oblanceolate;spatulate-ovate;oblanceolate +
reduced +
3mm;7mm +
rugulose +  and muricate +
elongate +
short-branched +
not 2-lipped +  and actinomorphic +
yellow +  and white +
0.06 cm0.6 mm <br />6.0e-4 m <br /> (0.08 cm0.8 mm <br />8.0e-4 m <br />) +
0.08 cm0.8 mm <br />8.0e-4 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
ampliate +
beaked +, 2-ribbed +  and 5-ribbed +
compressed +, narrowly obconic +  and cylindric +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.46 cm4.6 mm <br />0.0046 m <br />) +
fertile +  and bisexual +
fertile +  and bisexual +
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 +
resinous +
puberulent +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Open, sandy and gravelly soils, disturbed sites, roadsides, prairies and grasslands, drier open mixed deciduous and conifers woods +
indeterminate +
8 cm80 mm <br />0.08 m <br /> (25 cm250 mm <br />0.25 m <br />) +
heterogamous +  and homogamous +
2.5 cm25 mm <br />0.025 m <br /> (10 cm100 mm <br />0.1 m <br />) +
each +  and sessile +
0.3 cm3 mm <br />0.003 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
campanulate +
0.46 cm4.6 mm <br />0.0046 m <br /> (0.58 cm5.8 mm <br />0.0058 m <br />) +
0.17 cm1.7 mm <br />0.0017 m <br /> (1 cm10 mm <br />0.01 m <br />) +
2.8mm;5.5mm +
0.3mm;0.7mm +
cauline +, mid +, proximal +  and basal +
strigoso-canescent +
tapering +
erect;spreading +
triangular +  and narrowly lanceolate +
crenate +  and entire +
linear-lanceolate +  and oblong or ovate +
unequal +  and rarely subequal +
2-carpellate +
persistent +
0.2 cm2 mm <br />0.002 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
not persisting +
Flowering Aug–Oct. +
not stipitate-glandular +
ovate +  and linear-lanceolate +
ovate-oblanceolate +
petiolate +  and subpetiolate +
bearing subulate enations +, hairy +  and bristly +
strigillose +  and glabrous +
8 +  and 10 +
exalbuminous +
6 (?) +  and 10 (?) +
1 +  and 6 +
appendaged +  and truncate +
papillate +  and smooth +
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 +
not persisting +
100 cm1,000 mm <br />1 m <br /> (200 cm2,000 mm <br />2 m <br />) +
5 cm50 mm <br />0.05 m <br /> (100 cm1,000 mm <br />1 m <br />) +