Northern Prairie Wildlife Research Center
Wetland Plants and Plant Communities of Minnesota and Wisconsin
KEY TO THE WETLAND GOLDENRODS (Solidago) OF MINNESOTA AND WISCONSIN
(Modified from Gleason and Cronquist (1991) and Swink and Wilhelm (1994))
1A. Flowering heads are flat-topped (inflorescence is a corymb).
1B. Flowering heads occur in axillary clusters, racemes, panicles, or thyrses,
but never as a corymb.
- 2A. Leaves of lower and upper stem are dissimilar, the lower or basal
leaves being better developed and usually persistent; leaves are not glandular-punctate;
typically occur on calcareous soils.
- 3A. Branches and pedicels of the inflorescence are glabrous; leaves
are flat and not triple nerved...............Solidago ohioensis
- 3B. Branches and pedicels of the inflorescence are pubescent; leaves
tend to be sickle-shaped (falcate), folded (conduplicate), and triple
- 2B. Leaves linear (narrow), similar on lower and upper stem, and leaves
are glandular-punctate (use a 10-15X hand lens); stems are pubescent; tends
to be clonal...............Euthamia graminifolia
(Formerly known as Solidago graminifolia.)
- 4A. Inflorescence spreading, with recurved-secund branching. Branches
and branchlets of the inflorescence are pubescent.
- 4B. Inflorescence much longer than broad; branches rather short and
not recurved-secund; branches and branchlets of the inflorescence are
not pubescent (but may be puberulent). Stems not angled, nor glaucous
below the inflorescence; typically occurs in both bogs and fens...............Solidago
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