Solidago simplex var. gillmanii

(A. Gray) G. S. Nesom

Phytologia 70: 398. 1991.

Common names: Gillman’s or dune goldenrod
Endemic
Basionym: Solidago humilis var. gillmanii A. Gray Proc. Amer. Acad. Arts 17: 191. 1882 (as gillmani)
Synonyms: Solidago deamii Fernald Solidago gillmanii (A. Gray) E. S. Steele Solidago glutinosa var. gillmanii (A. Gray) Cronquist Solidago purshii var. gillmanii (A. Gray) Farwell Solidago racemosa var. gillmanii (A. Gray) Fernald Solidago spathulata var. gillmanii (A. Gray) Cronquist ex Gleason Solidago virgaurea var. gillmanii (A. Gray) Porter
Treatment appears in FNA Volume 20. Treatment on page 115. Mentioned on page 112, 113.

Plants (20–) 38–73 (–84) cm (robust). Leaves: basal spatulate to obovate, margins dentate, sometimes crenate, acute; cauline (7–) 15–37 (–47), proximal cauline (spatulate to obovate) (36–) 68–124 (–147) × (6–) 7.5–24 (–42) mm, margins often sharply serrate; mid to distal 8–44 (–95) × 1.1–9.4 (–28) mm. Heads in paniculiform arrays. Peduncles: bracteoles 1–5. Phyllaries: shortest (1.2–) 1.6–2.4 (–2.9) mm. Cypselae sparsely strigose. 2n = 36.


Phenology: Flowering Aug–Sep.
Habitat: Sand dunes, sometimes sandy beaches
Elevation: 100–300 m

Discussion

Of conservation concern.

Variety gillmanii is found in the Lake Michigan and northern Lake Huron areas.

Selected References

None.

Lower Taxa

None.
not tailed +, rounded +  and obtuse +
distinct +
acute;obtuse +
subequal +
scarious +
usually triangular +  and linear +
usually deltate +  and lanceolate +
paniculiform +
indeterminate +  and determinate +
John C. Semple +  and Rachel E. Cook +
(A. Gray) G. S. Nesom +
spatulate;obovate +
not persisting +
decurrent +
Solidago humilis var. gillmanii +
compound +  and simple +
10 cm100 mm <br />0.1 m <br /> (16 cm160 mm <br />0.16 m <br />) +
1.6 cm16 mm <br />0.016 m <br /> (5.6 cm56 mm <br />0.056 m <br />) +
1.2 cm12 mm <br />0.012 m <br /> (4.5 cm45 mm <br />0.045 m <br />) +
lanceolate;linear +
reduced +
0.2 cm2 mm <br />0.002 m <br /> (1.9 cm19 mm <br />0.019 m <br />) +
rugulose +  and muricate +
glabrate +  and strigillose +
15 (?) +  and 37 (?) +
12.4 cm124 mm <br />0.124 m <br /> (14.7 cm147 mm <br />0.147 m <br />) +
2.4 cm24 mm <br />0.024 m <br /> (4.2 cm42 mm <br />0.042 m <br />) +
6.8 cm68 mm <br />0.068 m <br /> (12.4 cm124 mm <br />0.124 m <br />) +
0.75 cm7.5 mm <br />0.0075 m <br /> (2.4 cm24 mm <br />0.024 m <br />) +
Gillman’s or dune goldenrod +
not 2-lipped +  and actinomorphic +
yellow +  and white +
ampliate +
0.4 cm4 mm <br />0.004 m <br /> (0.49 cm4.9 mm <br />0.0049 m <br />) +
beaked +, 2-ribbed +  and 5-ribbed +
fertile +  and bisexual +
fertile +  and bisexual +
Ont. +, Ind. +, Mich. +  and Wis. +
100–300 m +
resinous +
stipitate-glandular +, puberulent +, pilose +, glabrous +, glabrous or +  and sparsely densely scabrous strigillose or villous +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Sand dunes, sometimes sandy beaches +
indeterminate +
heterogamous +  and homogamous +
each +  and sessile +
obtuse +  and linear-oblong +
0.3 cm3 mm <br />0.003 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
campanulate +
0.3 cm3 mm <br />0.003 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
0.17 cm1.7 mm <br />0.0017 m <br /> (1 cm10 mm <br />0.01 m <br />) +
0.7mm;0.9mm +
4.4 cm44 mm <br />0.044 m <br /> (9.5 cm95 mm <br />0.095 m <br />) +
0.94 cm9.4 mm <br />0.0094 m <br /> (2.8 cm28 mm <br />0.028 m <br />) +
0.8 cm8 mm <br />0.008 m <br /> (4.4 cm44 mm <br />0.044 m <br />) +
cauline +, proximal +  and basal +
0.11 cm1.1 mm <br />0.0011 m <br /> (0.94 cm9.4 mm <br />0.0094 m <br />) +
0.13 cm1.3 mm <br />0.0013 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
erect;spreading +
triangular +  and narrowly lanceolate +
serrate +  and dentate +
acute +  and crenate +
linear-lanceolate +  and oblong or ovate +
unequal +  and rarely subequal +
2-carpellate +
persistent +
0.19 cm1.9 mm <br />0.0019 m <br /> (0.52 cm5.2 mm <br />0.0052 m <br />) +
glabrate +  and sparsely strigillose +
0.31 cm3.1 mm <br />0.0031 m <br /> (1.03 cm10.3 mm <br />0.0103 m <br />) +
not persisting +
Flowering Aug–Sep. +
0.24 cm2.4 mm <br />0.0024 m <br /> (0.29 cm2.9 mm <br />0.0029 m <br />) +
stipitate-glandular +
0.16 cm1.6 mm <br />0.0016 m <br /> (0.24 cm2.4 mm <br />0.0024 m <br />) +
ovate-oblanceolate +
bearing subulate enations +, hairy +  and bristly +
strigillose +  and glabrous +
8 +  and 10 +
exalbuminous +
ascending +  and erect +
strigose +  and glabrous +
1 +  and 10 +
appendaged +  and truncate +
papillate +  and smooth +
Solidago deamii +, Solidago gillmanii +, Solidago glutinosa var. gillmanii +, Solidago purshii var. gillmanii +, Solidago racemosa var. gillmanii +, Solidago spathulata var. gillmanii +  and Solidago virgaurea var. gillmanii +
Solidago simplex var. gillmanii +
Solidago simplex +
variety +
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 />) +
73 cm730 mm <br />0.73 m <br /> (84 cm840 mm <br />0.84 m <br />) +