Solidago sempervirens
Solidago brachyphylla
seaside goldenrod, verge d'or toujours verte
Dixie goldenrod
1–10(–20+), erect or ascending, glabrous throughout or hairy in arrays.
1–5, sparsely to moderately strigoso-puberulent.
rosettes present at flowering;
basal and proximal cauline tapering to long, winged petioles sheathing stems or nearly so, blades narrowly ovate to oblanceolate, 100–400 × 10–60 mm, thick or fleshy, entire, acute, glabrous;
mid to distal cauline usually numerous, sessile, blades lanceolate, 40–60 × 5–10 mm, reduced distally, thick or fleshy, bases sometimes subclasping, margins entire.
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.
2–3 mm, glabrous or sparsely hairy.
linear, 1–3 mm, bracteate.
3–7 mm.
narrowly campanulate, 3–5 mm.
8–17;
laminae 5–6.2 × 0.4–0.6 mm.
0(–2).
10–22;
corollas 3–3.2 mm, lobes 0.5–1.2 mm.
4–8;
corollas 3 mm, lobes 1 mm.
in 3–4 series, unequal, lanceolate, margins ciliate, apices acute.
in 3–4 series, lanceolate, strongly unequal, margins ciliate, apices acute, glabrous.
20–500, secund, in paniculiform arrays, secund-pyramidal to broadly club-shaped, sometimes leafy proximally, at least proximal branches spreading-recurved, branches and peduncles bracteolate, bracteoles reduced distally.
75–200 in open paniculiform arrays, branches divaricate, ascending to recurved, weakly to strongly secund, to 50 cm, secondary branches less than 3 cm.
(obconic) 1.1–1.5 mm, moderately strigose;
pappi 3.8–4 mm (slightly clavate).
2.5–3 mm, moderately short-strigose;
pappi 2 mm.
= 18.
Solidago sempervirens
Solidago brachyphylla
Subspecies 2 (2 in the flora).
Solidago sempervirens is common along the seacoast from the Gulf of St. Lawrence to central America and the northern West Indies. Introduced populations are sometimes very large near the Detroit River and Lake Erie in southwestern Ontario, eastern Michigan, and adjacent Ohio. A second disjunct group of populations occurs in Illinois and Indiana in the Chicago area at the southern end of Lake Michigan. Two mostly geographically separate subspecies can be recognized in the flora range. A race also occurs in the Azores and is undoubtedly introduced there [Solidago sempervirens var. azorica (Hochstetter ex Seubert) H. St. John]. Plants cultivated in European gardens have been labeled S. sempervirens var. viminea (Aiton) A. Gray.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
Solidago brachyphylla possibly occurs also in Mississippi.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
1. Involucres 4–7 mm, rays 12–17, disc florets ca. 17–22; Newfoundland to New Jersey, locally to Virginia | subsp. sempervirens |
1. Involucres 3–4 mm, rays 7–11, disc florets ca. 10–16; Massachusetts to Texas and southward | subsp. mexicana |
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