Solidago riddellii Frank (Q2330)
Solidago riddellii is a taxon with the rank species within the section Solidago sect. Ptarmicoidei
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Solidago riddellii Frank
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Solidago riddellii is a taxon with the rank species within the section Solidago sect. Ptarmicoidei
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Statements
taxon/id/Solidago riddellii Frank
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Solidago riddellii Frank
Solidago riddellii
Frank
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-MB
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Manitoba Checklist, 2002
CA-ON
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Newmaster, S.G., A. Lehela, M.J. Oldham, P.W.C. Uhlig & S. McMurray. 1998. Ontario Plant List. Ontario Forest Research Institute, Sault Ste. Marie, Ontario. Forest Information Paper No. 123. 550 pp.
CA-MB
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CA-ON
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US-IL
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US-IN
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US-MI
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US-MN
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US-MO
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US-OH
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US-WI
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100–400 m
100 meter
400 meter
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caudices branching;
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vascular-bundles and petiole bases marcescent (attached to old stems for more than a season).
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Stems 1–10+, erect, glabrous.
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Leaves: basal and proximal cauline usually withering by flowering (other rosettes may present), tapering to long, winged petioles, blades often recurved, linear-lanceolate or oblanceolate, 100–240 × 8–16 mm, folded along midrib (V-shaped in cross-section), bases usually with (2–) 3–8 prominent lateral nerves, apices acute to obtuse, faces glabrous;
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mid to distal cauline sessile, blades recurved, linear-lanceolate, 50–70 × 8–11 mm, reduced distally, folded, bases with prominent lateral nerves.
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Heads 30–450 in corymbiform to somewhat paniculiform with rounded corymbiform branches (robust plants) arrays, branches and peduncles strigillose.
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Peduncles 2.8–4 mm, moderately short-hispido-strigose, lanceolate bracteoles 0–1.
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Involucres narrowly campanulate, 4.5–6 mm.
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laminae 4.5–5.5 × 0.4–0.5 mm.
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Disc-florets 6–10;
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corollas 4.5–5.2 mm, lobes 0.7–1.8 mm.
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Cypselae 1.5–2.2 mm, glabrous;
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short-hispido-strigose
moderately
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