Senecio hydrophiloides Rydberg (Q2931)
Senecio hydrophiloides is a taxon with the rank species within the genus Senecio
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Senecio hydrophiloides Rydberg
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Senecio hydrophiloides is a taxon with the rank species within the genus Senecio
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Statements
taxon/id/Senecio hydrophiloides Rydberg
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Senecio hydrophiloides Rydberg
Senecio hydrophiloides
Rydberg
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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Moss, E.H. 1983. Flora of Alberta. 2nd edition, revised by J.G. Packer. University of Toronto Press, Toronto. 687 pp.
CA-BC
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Douglas, G.W., G.B. Straley, D.V. Meidinger & J. Pojar. 1998. Illustrated Flora of British Columbia. B.C. Ministry of Environment, Lands & Parks and B.C. Ministry of Forests. Victoria. Crown Publications. 8 vols.
CA-AB
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CA-BC
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US-CA
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US-ID
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US-MT
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US-NV
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US-OR
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US-UT
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US-WA
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US-WY
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1200–2200 m
1,200 meter
2,200 meter
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Herbage usually glabrous or glabrescent (young plants sparsely tomentose).
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Stems usually single, sometimes 2–4 clustered (sometimes reddish-tinged).
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usually petiolate (petioles often winged);
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blades elliptic to broadly lanceolate, 5–15 (–20) × 2–7 cm, bases broadly to narrowly tapered, margins dentate to denticulate (distal leaves sessile, bractlike).
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Heads (6–) 15–30+ in congested or loose, corymbiform arrays.
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Calyculi of 2–5 bractlets (less than 2 mm).
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Phyllaries (± 8) ± 13 (± 21), 4–9 mm, tips (minutely to prominently) black.
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Ray-florets 0 or (± 3 or 5) ± 8;
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corolla laminae 5–10 mm.
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reduced
progressively; distally
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