Solidago altissima subsp. gilvocanescens

(Rydberg) Semple

Sida 20: 1606. 2003.

Common names: Great Plains late goldenrod
Basionym: Solidago canadensis var. gilvocanescens Rydberg Contr. U.S. Natl. Herb. 3: 162. 1895
Synonyms: Doria gilvocanescens (Rydberg) Lunell S. altissima var. gilvocanscens (Rydberg) Semple S. canadensis subsp. gilvocanescens (Rydberg) Á. Löve & D. Löve S. gilvocanescens
Treatment appears in FNA Volume 20. Treatment on page 153. Mentioned on page 152.

Involucres usually 2–3 mm. 2n = 18, 36.


Phenology: Flowering Aug–Oct.
Habitat: Dry to moist soils, disturbed soils, prairies, grasslands, near streams and ponds, roadsides, edges of thickets
Elevation: 0–1600 m

Distribution

V20-330-distribution-map.gif

Alta., B.C., Man., Ont., Sask., Colo., Ill., Iowa, Kans., Minn., Mo., Mont., Nebr., N.Mex., N.Dak., Okla., S.Dak., Tex., Wyo., Mexico (Chihuahua)

Discussion

Subspecies gilvocanescens replaces subsp. altissima on the Great Plains. Tetraploids of the two subspecies are difficult to distinguish.

Selected References

None.

Lower Taxa

None.
villoso-strigillose +  and strigillose +
not tailed +, rounded +  and obtuse +
distinct +
subequal +
scarious +
usually triangular +  and linear +
usually deltate +  and lanceolate +
secund +, leafy +  and thyrsiform-paniculiform +
indeterminate +  and determinate +
cone--shaped +
John C. Semple +  and Rachel E. Cook +
(Rydberg) Semple +
not persisting +
decurrent +
Solidago canadensis var. gilvocanescens +
9.5 cm95 mm <br />0.095 m <br /> (15 cm150 mm <br />0.15 m <br />) +
oblanceolate +
thick;16mm;20mm +
rugulose +  and muricate +
stipitate-glandular +
ascending-divergent +  and divergent +
5cm +  and 30cm +
club--shaped +
2cm +  and 25cm +
10 cm100 mm <br />0.1 m <br /> (17 cm170 mm <br />0.17 m <br />) +
1.6 cm16 mm <br />0.016 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
4.5 cm45 mm <br />0.045 m <br /> (10 cm100 mm <br />0.1 m <br />) +
oblanceolate +  and lanceolate +
Great Plains late goldenrod +
not 2-lipped +  and actinomorphic +
yellow +  and white +
ampliate +
0.23 cm2.3 mm <br />0.0023 m <br /> (0.36 cm3.6 mm <br />0.0036 m <br />) +
beaked +, 2-ribbed +  and 5-ribbed +
compressed +, narrowly obconic +  and cylindric +
fertile +  and bisexual +
fertile +  and bisexual +
stipitate-glandular +
Alta. +, B.C. +, Man. +, Ont. +, Sask. +, Colo. +, Ill. +, Iowa +, Kans. +, Minn. +, Mo. +, Mont. +, Nebr. +, N.Mex. +, N.Dak. +, Okla. +, S.Dak. +, Tex. +, Wyo. +  and Mexico (Chihuahua) +
0–1600 m +
resinous +
stipitate-glandular +, puberulent +, pilose +, glabrous +, glabrous or +  and sparsely densely scabrous strigillose or villous +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Dry to moist soils, disturbed soils, prairies, grasslands, near streams and ponds, roadsides, edges of thickets +
indeterminate +
heterogamous +  and homogamous +
each +  and sessile +
linear-lanceolate +
0.3 cm3 mm <br />0.003 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
campanulate +
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
0.17 cm1.7 mm <br />0.0017 m <br /> (1 cm10 mm <br />0.01 m <br />) +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
0.04 cm0.4 mm <br />4.0e-4 m <br /> (0.05 cm0.5 mm <br />5.0e-4 m <br />) +
0.7mm;1.5mm +
0.1mm;0.4mm +
subpetiolate +  and sessile +
tapering +
0.09 cm0.9 mm <br />9.0e-4 m <br /> (0.12 cm1.2 mm <br />0.0012 m <br />) +
erect;spreading +
triangular +  and narrowly lanceolate +
stipitate-glandular +
linear-lanceolate +  and oblong or ovate +
unequal +  and rarely subequal +
2-carpellate +
persistent +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
stipitate-glandular +  and hispiduloso-strigillose +
0.1 cm1 mm <br />0.001 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
not persisting +
Flowering Aug–Oct. +
stipitate-glandular +
ovate-oblanceolate +
bearing subulate enations +, hairy +  and bristly +
strigillose +  and glabrous +
8 +  and 10 +
exalbuminous +
decumbent +  and ascending or erect +
1 +  and 40 +
appendaged +  and truncate +
papillate +  and smooth +
Doria gilvocanescens +, S. altissima var. gilvocanscens +, S. canadensis subsp. gilvocanescens +  and S. gilvocanescens +
Solidago altissima subsp. gilvocanescens +
Solidago altissima +
subspecies +
serrulate +  and entire +
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 />) +