Solidago gigantea Aiton (Q2392)
Solidago gigantea is a taxon with the rank species within the subsection Solidago subsect. Serotinae
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Solidago gigantea Aiton
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Solidago gigantea is a taxon with the rank species within the subsection Solidago subsect. Serotinae
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Statements
taxon/id/Solidago gigantea Aiton
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Solidago gigantea Aiton
Solidago gigantea
Aiton
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-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-AR
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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-MD
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US-MA
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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-NE
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US-NH
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US-NJ
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US-NY
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US-NC
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US-ND
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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-VT
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US-VA
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US-WV
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US-WI
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US-WY
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Plants 50–200 cm (solitary or clustered);
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rhizomes short to long-creeping.
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Stems 1–20+ or clustered, erect, glabrous or sparsely strigose in arrays, sometimes glaucous.
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proximal cauline usually withering by flowering time, sessile, lanceolate, 91–97 × 10–14 mm, margins sharply serrate, 3-nerved, apices acuminate, abaxial faces pilose on nerves or glabrous;
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mid to distal cauline similar, 57–76 × 0.7–1.2 cm, largest toward mid-stem, decreasing distally.
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Heads 40–600, secund, in broadly secund, pyramidal paniculiform arrays, rarely rhombic or club-shaped, proximal branches divergent, recurved, glabrous-glabrate or strigose, sometimes glaucous.
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Peduncles 1.5–3 mm, sparsely to densely strigillose;
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bracteoles 0–2, linear-lanceolate.
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Involucres campanulate, (2–) 2.5–4 (–5) mm.
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Ray-florets (7–) 9–15 (–24) (conspicuous);
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laminae 1–3 × (0.1–) 0.2–0.4 mm.
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Disc-florets (4–) 7–12 (–17);
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corollas (2.5–) 3–3.5 (–4.5) mm, lobes 0.6–1 (–1.4) mm.
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Cypselae 1.3–1.5 mm, sparsely strigose;
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pappi 2–2.5 mm. 2n =18, 36, 54.
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rhombic
in broadly secund , pyramidal paniculiform arrays; rarely
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