Senecio serra Hooker (Q2936)
Senecio serra is a taxon with the rank species within the genus Senecio
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Senecio serra Hooker
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Senecio serra is a taxon with the rank species within the genus Senecio
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Statements
taxon/id/Senecio serra Hooker
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Senecio serra Hooker
Senecio serra
Hooker
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-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.
US-CA
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US-CO
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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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Herbage glabrous or lightly floccose-tomentose proximally when young.
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Stems single or loosely clustered.
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petiolate or subsessile;
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blades lanceolate or narrowly lanceolate to sublinear, 5–15 (–20+) × (1–) 1.5–4 cm, bases tapered, margins dentate to subentire (distal leaves smaller, bractlike).
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Heads 30–90+ in corymbiform to subpaniculiform arrays.
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Calyculi of 2–6 linear to filiform bractlets (0.5–5 mm).
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Phyllaries ± 8 or ca. 13, 4–9 mm, tips usually green, sometimes black.
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Ray-florets ± 5 or ± 8;
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corolla laminae 5–10 mm.
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narrowly lanceolate
sublinear
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