Solidago altissima Linnaeus (Q2381)
Solidago altissima is a taxon with the rank species within the series Solidago ser. Canadensae
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Solidago altissima Linnaeus
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Solidago altissima is a taxon with the rank species within the series Solidago ser. Canadensae
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Statements
taxon/id/Solidago altissima Linnaeus
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Solidago altissima Linnaeus
Solidago altissima
Linnaeus
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-AB
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CA-BC
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CA-MB
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CA-NB
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CA-NS
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CA-ON
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CA-PE
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CA-QC
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CA-SK
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US-AL
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US-AZ
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US-AR
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US-CA
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US-CO
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US-CT
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US-DE
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US-FL
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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-ME
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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-MT
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US-ND
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US-NH
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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-PA
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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-UT
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US-VA
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US-VT
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US-WV
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US-WY
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rhizomes short to long-creeping.
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Stems 1–40+, usually short-hairy throughout, sometimes proximally glabrescent.
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proximal cauline usually withering by flowering;
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sessile or subpetiolate, tapering to bases;
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blades oblanceolate, 95–150 × 16–20 mm, relatively thick and firm, entire to serrate along distal 1/2, strongly 3-nerved, apices acute to acuminate, abaxial faces finely strigose, more so along nerves, adaxial ± scabrous;
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mid to distal cauline blades oblanceolate (proximally) to lanceolate (distally), mid (30–) 45–100 (–170) × (5–) 7–16 (–25) mm, much reduced distally [(15–) 25–55 × (3–) 4.5–10 (–17) mm], margins finely serrate (teeth 0–6 (–14) per side on mid), distally usually becoming entire or remotely serrulate, adaxial faces ± scabrous, abaxial moderately strigillose, densely villoso-strigillose along nerves, distal sometimes minutely stipitate-glandular.
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Heads (15–) 100–1200+, secund, in secund, pyramidal, paniculiform arrays, branches divergent and recurved, sometimes ascending-divergent, sometimes merely club-shaped thyrsiform in small plants, 5–30 × 2–25 cm (often 1.5–2 times as long as wide in southern plants).
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Peduncles 1–3.5 mm, moderately densely short hispiduloso-strigillose, sometimes minutely stipitate-glandular;
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bracteoles linear, sometimes minutely stipitate-glandular.
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Involucres narrowly campanulate, 2.5–4.5 mm.
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outer lanceolate, acute, inner linear-lanceolate, margins rarely minutely stipitate-glandular, apices acute to obtuse.
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Ray-florets (5–) 8–13 (–17);
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laminae 0.7–1.5 (–2) × 0.1–0.4 (–0.5) mm.
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Disc-florets (2–) 3–6 (–9);
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corollas usually 2.3–3.6 mm, lobes 0.5–0.9 (–1.2) mm.
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Cypselae (narrowly obconic) 0.5–1.5 mm, sparsely to moderately strigillose;
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pappi 2.5–3.5 mm.
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short-hairy
usually; throughout
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glabrescent
sometimes proximally
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stipitate-glandular
sometimes minutely
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divergent
in secund , pyramidal , paniculiform arrays
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stipitate-glandular
sometimes minutely
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stipitate-glandular
sometimes minutely
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stipitate-glandular
rarely minutely
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strigillose
sparsely to moderately
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