Solidago subsect. Thyrsiflorae

(A. Gray) A. Gray in A. Gray et al.

in A. Gray et al., Syn. Fl. N. Amer. 1(2): 146. 1884.

Basionym: Solidago sect. Thyrsiflorae Proc. Amer. Acad. Arts 17: 190. 1882
Synonyms: Undefined subsect. Leioligo Rafinesque Leioligo subg. Doria Rafinesque Petiolares Rydberg Petiolatae Mackenzie Wardianae Rydberg
Treatment appears in FNA Volume 20. Treatment on page 117. Mentioned on page 109.
Revision as of 20:33, 29 July 2020 by imported>Volume Importer
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Leaves: basal withering at flowering, proximalmost cauline leaves short-petiolate, withering at flowering, not as large as proximal and midstem leaves, not 3-nerved. Heads in thyrsiform-paniculiform arrays. Phyllaries sparsely to moderately stipitate-glandular, not striate. Pappus bristles usually in 2 series (inner usually moderately to strongly clavate).

Distribution

North America, n Mexico

Discussion

Species 5 (3 in the flora).

Selected References

None.

Key

1 Mid cauline leaves thin, 25–50 mm wide, usually sharply or coarsely toothed, not resinous;phyllaries sparsely stipitate-glandular; s Indiana to e Missouri and adjacent Arkansas Solidago buckleyi
1 Mid cauline leaves firm, thick, 5–30 mm wide, not sharply coarsely toothed (proximal cauline may be toothed), sometimes resinous and/or stipitate-glandular; phyllaries often moderately stipitate-glandular; se, sw United States > 2
2 Arrays of heads often rounded to somewhat corymbiform, becoming more paniculiform in older shoots, leafy bracts shorter than branches; cypselae ± moderately short-strigose; Arizona, New Mexico, Texas Solidago wrightii
2 Arrays of heads often much longer than broad, not rounded or somewhat corymbiform, leafy bracts often longer than branches; cypselae glabrous or sparsely short-strigose; se United States to central Oklahoma Solidago petiolaris
not tailed +, rounded +  and obtuse +
distinct +
subequal +
scarious +
usually triangular +  and linear +
usually deltate +  and lanceolate +
thyrsiform-paniculiform +
indeterminate +  and determinate +
John C. Semple +  and Rachel E. Cook +
(A. Gray) A. Gray in A. Gray et al. +
not persisting +
decurrent +
Solidago sect. Thyrsiflorae +
compound +  and simple +
rugulose +  and muricate +
not 2-lipped +  and actinomorphic +
yellow +  and white +
ampliate +
beaked +, 2-ribbed +  and 5-ribbed +
compressed +, narrowly obconic +  and cylindric +
fertile +  and bisexual +
fertile +  and bisexual +
North America +  and n Mexico +
resinous +
stipitate-glandular +, puberulent +, pilose +, glabrous +, glabrous or +  and sparsely densely scabrous strigillose or villous +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
indeterminate +
heterogamous +  and homogamous +
each +  and sessile +
0.3 cm3 mm <br />0.003 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
campanulate;cylindric +
0.17 cm1.7 mm <br />0.0017 m <br /> (1 cm10 mm <br />0.01 m <br />) +
erect;spreading +
triangular +  and narrowly lanceolate +
linear-lanceolate +  and oblong or ovate +
unequal +  and rarely subequal +
2-carpellate +
persistent +
not persisting +
stipitate-glandular +
ovate-oblanceolate +
in A. Gray et al., Syn. Fl. N. Amer. +
bearing subulate enations +, hairy +  and bristly +
strigillose +  and glabrous +
8 +  and 10 +
exalbuminous +
decumbent +  and ascending or erect +
short-villous +, hispid +, strigillose +, strigose +  and glabrous +
appendaged +  and truncate +
papillate +  and smooth +
Undefined subsect. Leioligo +, Leioligo subg. Doria +, Petiolares +, Petiolatae +  and Wardianae +
Solidago subsect. Thyrsiflorae +
Solidago sect. Solidago +
subsection +
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 />) +
tree +, shrub +  and subshrub +