Logfia arvensis (Linnaeus) Holub (Q2684)
Logfia arvensis is a taxon with the rank species within the genus Logfia
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Logfia arvensis (Linnaeus) Holub
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Logfia arvensis is a taxon with the rank species within the genus Logfia
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Statements
taxon/id/Logfia arvensis (Linnaeus) Holub
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Logfia arvensis (Linnaeus) Holub
Logfia arvensis
(Linnaeus) Holub
FNA Editorial Committee. 2006. Flora of North America north of Mexico. Volume 19: Magnoliophyta: Asteridae, part 6: Asteraceae, part 1. Oxford University Press, New York.
accepted
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CA-BC
present
introduced
1 reference
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/
CA-SK
present
introduced
1 reference
Harms, V.L. 2006. Annotated catalogue of Saskatchewan vascular plants. http://www.biodiversity.sk.ca/Docs/AnnotatedCatalogueSKVascPlants2006.pdf
CA-ON
present
introduced
1 reference
Newmaster, S.G. & S. Ragupathy. 2005. Flora Ontario - Integrated Botanical Information System (FOIBIS), Phase I. University of Guelph, Canada. http://www.uoguelph.ca/foibis http://www.uoguelph.ca/foibis/
CA-BC
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CA-SK
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US-AK
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US-ID
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US-MI
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US-MN
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US-MT
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US-NE
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US-OR
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US-SD
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US-WA
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US-WY
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100–1700 m
100 meter
1,700 meter
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Plants 3–50 [–70] cm.
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Stems usually 1, erect;
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branches leafy between proximal forks, remaining grayish to whitish, lanuginose to sericeous.
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Leaves oblanceolate to lanceolate, largest 14–20 (–40) × 3–4 (–5) mm, pliant;
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longest capitular leaves 0.8–1.5 (–2) times head heights, acute.
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Heads mostly in glomerules of 2–10 (–13) in racemiform to paniculiform arrays, broadly pyriform to ± cylindric, largest 4–6 × 3.5–5 mm.
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Phyllaries 0, vestigial, or 1–4, unequal, ± like paleae.
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Receptacles ± fungiform, 0.4–0.7 mm, heights 0.4–0.5 times diams.
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Pistillate paleae (except innermost) 2–4 (–6) in 1 (–2) series, spirally ranked, loosely saccate, incurved 20–60°, scarcely gibbous, not galeate, longest 3.3–4.5 mm, distal 5–10% of lengths glabrous abaxially;
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bodies ± cartilaginous, ± terete;
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wings obscured by indument.
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Innermost paleae ± 8, spreading in 2 series, pistillate.
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Pistillate florets: outer 2–4 (–6) epappose, inner 15–20 pappose.
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Bisexual florets 3–4;
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corollas 2.3–3 mm, lobes mostly 4, reddish to purplish.
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Cypselae: outer nearly straight, ± erect, compressed, 0.9–1.1 mm;
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pappi of 17–23 bristles falling in complete or partial rings, 2.5–3.5 mm. 2n = 28 (Caucasus, Finland, Germany, Slovakia).
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0.8-1.5(-2) times head heights
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broadly pyriform
more or less cylindric
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