Solidago elongata Nuttall (Q2377)
Solidago elongata is a taxon with the rank species within the series Solidago ser. Canadensae
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Solidago elongata Nuttall
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Solidago elongata is a taxon with the rank species within the series Solidago ser. Canadensae
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Statements
taxon/id/Solidago elongata Nuttall
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Solidago elongata Nuttall
Solidago elongata
Nuttall
Semple, J.C. 2013. Classification and illustrations of goldenrods. https://uwaterloo.ca/astereae-lab/research/goldenrods/classification-and-illustrations
accepted
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verge d'or à inflorescence allongée (French)
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CA-BC
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Klinkenberg, B. (ed.). 2010+. E-Flora BC: Electronic Atlas of the Plants of British Columbia. Lab. for Advanced Spatial Analysis, Department of Geography, University of British Columbia, Vancouver, B.C. http://www.eflora.bc.ca http://www.eflora.bc.ca/
US-CA
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US-OR
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rhizomes short to long creeping, forming few to many-stemmed clones.
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Stems 1–20+, erect, proximally sparsely to moderately strigoso-villous, distally usually moderately to densely so.
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proximal cauline sessile, blades narrowly to broadly oblanceolate, 35–75 (–100) × (6–) 7.5–14 (–20) mm, proximal much smaller, tapering to bases, margins subentire or finely serrulate to coarsely, sharply serrate (teeth 0–9 per side), ciliate, 3-nerved, sometimes obscurely so, apices acute, abaxial faces glabrate to sparsely short-strigose, adaxial glabrous;
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mid to distal cauline sessile, blades oblanceolate, becoming lanceolate distally, 20–60 × 4–8 (–11) mm, largest near mid-stem, somewhat to much reduced distally, margins entire or finely serrulate, rarely serrate (teeth 1–8 per side), usually becoming entire to sparsely serrulate distally, ciliate, apices acute, faces glabrous or sparsely strigoso-villous, more so along abaxial nerves.
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Heads 12–500+, sometimes secund, in short to long, thyrsiform or narrowly secund-pyramidal paniculiform arrays, usually congested, club-shaped to rarely wand-shaped, (2.5–) 10–20 × (2–) 4–8 (–10) cm, branches usually ascending or sometimes arching spreading.
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Peduncles 2–7 mm, sparsely to moderately short strigoso-villous;
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bracteoles 1–3, linear, rarely minutely stipitate-glandular.
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Involucres narrowly campanulate, 2.5–3.5 (–4) mm.
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Phyllaries in 3–4 series, strongly unequal, margins sparsely long ciliate, acute, faces glabrous, rarely sparsely minutely stipitate-glandular;
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Ray-florets (8–) 11–15 (–17);
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laminae 1–2.5 × 0.1–0.4 (–0.7) mm.
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Disc-florets (3–) 5–11 (–16);
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corollas 2.6–3.7 (–4) mm, lobes 0.5–1.2 mm.
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Cypselae (narrowly obconic) 1–1.5 mm, sparsely to moderately strigose;
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pappi 2.5–3.3 mm. 2n = 18, 36.
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strigoso-villous
proximally sparsely; sparsely to moderately
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oblanceolate
narrowly to broadly
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glabrate
sparsely short-strigose
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lanceolate
becoming; distally
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reduced
somewhat to much; distally
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club-shaped
rarely wand-shaped
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stipitate-glandular
rarely minutely
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stipitate-glandular
rarely sparsely minutely
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strigose
sparsely to moderately
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