Solidago sempervirens
Solidago shortii
seaside goldenrod, verge d'or toujours verte
Short's goldenrod
1–10(–20+), erect or ascending, glabrous throughout or hairy in arrays.
1–10+, ascending to erect, scabroso-puberulent at least in distal 1/2.
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 withering by flowering;
mid and distal cauline numerous;
subsessile or obscurely petiolate;
blades narrowly elliptic to lanceolate, 7–10 × 10–15 mm, firm, attenuate, margins distally serrate, eciliate, 3-nerved, apices acuminate or sharply acute, faces glabrous.
2–3 mm, glabrous or sparsely hairy.
0.5–3 mm, sparsely strigose;
bracteoles linear, minute.
3–7 mm.
narrowly campanulate, 4–5 mm.
8–17;
laminae 5–6.2 × 0.4–0.6 mm.
5–8;
laminae 2–3 × 0.75 mm.
10–22;
corollas 3–3.2 mm, lobes 0.5–1.2 mm.
5–9;
corollas 3–3.5 mm, lobes 0.5 mm.
in 3–4 series, unequal, lanceolate, margins ciliate, apices acute.
in 3–4 series, lanceolate to linear lanceolate, unequal, apices obtuse, innermost acute.
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.
50–150, in paniculiform arrays, branches recurved, secund.
(obconic) 1.1–1.5 mm, moderately strigose;
pappi 3.8–4 mm (slightly clavate).
ca. 2 mm, moderately short-strigose;
pappi 2–3 mm.
= 36.
Solidago sempervirens
Solidago shortii
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.)
Of conservation concern.
Solidago shortii is found in Fleming, Nicolas, and Robertson counties, Kentucky, and Harrison County, Indiana. It was found historically on rock islands in the falls of the Ohio River near Louisville. Solidago shortii is listed as endangered by the U.S. Fish and Wildlife Service and is in the Center for Plant Conservation’s National Collection of Endangered Plants.
(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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