Solidago speciosa Nuttall (Q2299)
Solidago speciosa is a taxon with the rank species within the series Solidago ser. Erectae
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Solidago speciosa Nuttall
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Solidago speciosa is a taxon with the rank species within the series Solidago ser. Erectae
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Statements
taxon/id/Solidago speciosa Nuttall
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Solidago speciosa Nuttall
Solidago speciosa
Nuttall
FNA Editorial Committee. 2006. Flora of North America north of Mexico. Volume 20: Magnoliophyta: Asteridae, part 7: Asteraceae, part 2. Oxford University Press, New York.
accepted
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CA-ON
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Semple, J.C. 2013. Classification and illustrations of goldenrods. https://uwaterloo.ca/astereae-lab/research/goldenrods/classification-and-illustrations https://uwaterloo.ca/astereae-lab/research/goldenrods/classification-and-illustrations
CA-ON
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US-AL
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US-AR
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US-CO
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US-CT
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US-DE
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US-GA
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US-IL
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US-IN
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US-IA
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US-KS
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US-KY
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US-LA
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US-MA
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US-MD
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US-MI
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US-MN
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US-MS
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US-MO
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US-NC
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US-ND
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US-NJ
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US-NM
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US-NY
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US-NE
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US-OH
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US-OK
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US-RI
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US-SC
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US-SD
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US-TN
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US-TX
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US-VA
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US-VT
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US-WV
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US-WI
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US-WY
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Plants (30–) 50–200 cm;
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caudices stout, woody.
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Stems 1 (–5), erect, glabrous proximally to strigillose in arrays.
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Leaves: basal and proximal cauline (sometimes withering by flowering) tapering to winged petioles, blades lanceolate to ovate-elliptic, 50–300 (including petiole) × 12–80 mm (sometimes firm), margins sharply serrate to crenate or entire, faces glabrate to sparsely strigillose;
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mid to distal cauline sessile, blades narrowly ovate to lanceolate or elliptic, 25–90 × 5–30 mm, gradually reduced distally, margins serrulate to entire (distally), ciliate, faces glabrous or sparsely scabroso-strigose.
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Heads 15–300+, not secund, in usually dense, sometimes open, elongate, paniculiform to thyrsiform arrays, (5–) 10–45 × (2–) 3–7 (–12) cm;
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branches strongly ascending, often racemiform.
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Peduncles 1.5–3 mm, sparsely to moderately scabroso-strigillose;
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bracteoles linear, grading into phyllaries, scattered along peduncles, clustered near heads.
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Involucres narrowly campanulate, 4–6.5 mm.
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Phyllaries in 3–4 series, appressed, strongly unequal, outer ovate, mid and inner lanceolate, (midnerves often raised and thick) apices acute to obtuse or rounded, glabrous.
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Ray-florets (2–) 3–7 (–9);
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laminae 3–4 × 0.5–1 mm.
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Disc-florets 6–16;
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corollas 2.5–4 mm, lobes 0.5–1.2 mm.
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Cypselae (narrowly obconic) 1.6–2.5 mm, glabrous;
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sharply serrate
crenate or entire
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glabrate
sparsely strigillose
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narrowly ovate
lanceolate or elliptic
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scabroso-strigillose
sparsely to moderately
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