Solidago brachyphylla
Solidago wrightii
Dixie goldenrod
Wright's goldenrod
1–5, sparsely to moderately strigoso-puberulent.
1–30+, simple, sparsely to densely puberulent proximally to densely so in arrays.
basal petioles 3–5 cm, blades oblanceolate or spatulate to ovate or rotund, 2–4 cm (excluding petioles);
cauline (numerous) subsessile or sessile, blades elliptic or lance-elliptic to ovate, mid mostly 25–50(–65) × 10–25 mm, distal much reduced;
branch leaf petioles 1 mm, blades ovate, 5–15 (excluding petioles) × 2–10 mm.
basal and proximal winged-petiolate-subpetiolate (poorly differentiated), blades to winged petioles;
blades oblanceolate, largest to 8 cm, usually smaller, gradually attenuate, margins entire, slightly undulate, sparsely to moderately soft-puberulent, somewhat viscid (stipitate-glands very small); mostly withering by flowering, new rosettes sometimes present;
cauline petiolate (petioles 0.5–1 mm), blades (linear) elliptic proximally to (narrowly) lanceolate or ovate distally, largest 50–80 × 15–25 mm, reduced distally and becoming more ovate, 15–20 mm in arrays, margins entire or serrulate.
linear, 1–3 mm, bracteate.
0.5–5(–2.5) mm, densely short hispid-canescent, sparsely to densely stipitate-glandular, ± viscid;
bracts small, grading into phyllaries.
narrowly campanulate, 3–5 mm.
broadly campanulate, (3.5–)4–5(–5.5) mm.
0(–2).
6–10;
laminae ca. 3–5 × 1–2 mm.
4–8;
corollas 3 mm, lobes 1 mm.
10–20;
corollas 3–4 mm, lobes ca. 1 mm.
in 3–4 series, lanceolate, strongly unequal, margins ciliate, apices acute, glabrous.
in 2–3 series, unequal, oblong to linear-lanceolate, acute to attenuate, sparsely to moderately strigose, especially distally, sparsely to densely stipitate-glandular, ± viscid.
75–200 in open paniculiform arrays, branches divaricate, ascending to recurved, weakly to strongly secund, to 50 cm, secondary branches less than 3 cm.
1–140, not secund, in thyrsiform-paniculiform arrays, sometimes compact, nearly as wide as tall, and rounded, sometimes appearing almost rounded corymbiform, proximal branches sometimes much elongate, not secund, spreading to ascending.
2.5–3 mm, moderately short-strigose;
pappi 2 mm.
1.5–2.5 mm, ± moderately short-strigose;
pappi 3–4 mm.
= 18.
= 18.
Solidago brachyphylla
Solidago wrightii
Solidago brachyphylla possibly occurs also in Mississippi.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
In Texas, Solidago wrightii grows primarily in the trans-Pecos region. It is one of the few usually obviously stipitate-glandular, viscid goldenrods; the stipitate glands are minute when present on other species. Two varieties have been recognized on degree of glandularity; these grade into each other to such a degree that their recognition does not appear warranted. The few plants seen from northeastern New Mexico and westernmost Oklahoma are possible variants of S. petiolaris, but overall they fit better in S. wrightii. A detailed morphometric study of this and the next two species is needed to resolve ambiguous species limits on the western Great Plains.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
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