Solidago subsect. Thyrsiflorae

Leaves: basal withering at flowering, proximalmost cauline leaves short-petiolate, withering at flowering, not as large as proximal and mid-stem 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.

Lower Taxa

Solidago buckleyi, Solidago petiolaris, Solidago wrightii

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