Solidago hispida
Solidago latissimifolia
hairy goldenrod, verge d'or hispide
Elliott's goldenrod
1(–5), erect, simple, glabrous or moderately to densely hispido-villous, sometimes hairs appressed.
1–5+, erect, glabrous or branches of arrays puberulent.
basal and proximal cauline tapering to winged petioles, blades broadly oblanceolate to obovate or elliptic, 35–200 (including petioles) × 15–60 mm, margins serrate or crenate, apices acute, faces sparsely to densely hispido-villous, rarely glabrous;
mid and distal cauline sessile, blades elliptic, 15–30 × 5–7 mm, rapidly reduced distally, margins entire.
basal and proximal cauline withering by flowering;
mid and distal cauline numerous (to 50+ on taller stems), sessile or nearly so (bases of blades sometimes subauriculate and rounded to short petioles), blades elliptic or lanceolate-elliptic, larger 60–150 × 15–35 mm, little reduced distally, margins serrate to entire, not 3-nerved, obscurely to obviously reticulately nerved, faces barely rugose, glabrous.
1.5–2.5 mm, hispido-villous to canescent.
4–10 mm, sparsely to moderately strigose;
bracteoles 1–3+, linear-lanceolate, usually a few near head grading into phyllaries.
campanulate, 4–6 mm.
campanulate, 4–6 mm.
6–14;
laminae 1.5–4.5 × 0.5–1 mm.
6–10;
laminae 2–3 × 0.8–1.3 mm.
6–12;
corollas 3–4.5 mm, lobes 0.6–1.2 mm.
4–7;
corollas 3–4 mm, lobes 0.9–1.3 mm.
in 3–4 series, appressed, strongly unequal, midribs and tips conspicuously green, margins white, scarious, apices obtuse, glabrous or moderately strigose.
in 4–5 series, strongly unequal, margins apically ciliate, obtuse to rounded, glabrous;
outer ovate-lanceolate, inner linear-lanceolate, relatively broad, 0.7–1.2 mm.
8–250+ in usually wand-paniculiform arrays of short axillary and terminal racemiform, non-secund clusters, sometimes proximal branches elongated, ascending and bearing short axillary and terminal racemiform clusters.
35–800, in paniculiform arrays, sometimes leafy-bracteate, with short or elongate, slightly to strongly recurved, secund branches.
(narrowly obconic) 1–2.5 mm, glabrous;
pappi 2.5–4 mm (sometimes distinctly clavate).
(obconic) 1.5 mm, sparsely strigose;
pappi 3.5–5 mm.
= 18.
= 18, 36, 54.
Solidago hispida
Solidago latissimifolia
Ray floret color can fade with time, both in the field and on dried specimens, making it difficult to distinguish Solidago hispida from S. bicolor, in which it has sometimes been included. The latter tends to have slightly broader phyllaries and more obviously clavate pappus bristles. The two co-occur in some populations but do not appear to form hybrid swarms with a range in ray corolla color. Three varieties have been described on the basis of growth and pubescence features and are sometimes recognized. These may represent only extremes in continua of variation. Variety lanata has densely villous stems and leaves; such plants occur scattered through much of the range of the species. Two glabrous-stemmed varieties have been described; plants of var. tonsa are relatively small and were first described from Newfoundland; var. huronensis includes relatively tall glabrous plants found growing in sand dunes along the shore of Lake Huron in Michigan and Ontario. The latter plants have been treated as var. tonsa but the name is misapplied. Other varietal names are based on minor variations.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
The presence of Solidago latissimifolia in Mississippi has not been confirmed. L. J. Uttal and D. M. Porter (1988) determined that the oldest valid name for this species is Solidago latissimifolia. The common name is based on the long-used S. elliottii (e.g., A. Cronquist 1980; H. A. Gleason and A. Cronquist 1991). Putative S. rugosa × S. sempervirens specimens could be confused with this species, but the hybrids have hairier stems and the petioles of proximalmost leaves ± sheath the stem.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
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