Difference between revisions of "Centaurea nigrescens Willdenow (Q3001)"
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Latest revision as of 12:44, 24 June 2022
Centaurea nigrescens is a taxon with the rank species within the genus Centaurea
| Language | Label | Description | Also known as |
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Centaurea nigrescens Willdenow
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Centaurea nigrescens is a taxon with the rank species within the genus Centaurea
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Statements
taxon/id/Centaurea nigrescens Willdenow
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Centaurea nigrescens Willdenow
Centaurea nigrescens
Willdenow
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
1 reference
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-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-QC
present
introduced
1 reference
Marie-Victorin, Fr. 1995. Flore laurentienne. 3e éd. Mise à jour et annotée par L. Brouillet, S.G. Hay, I. Goulet, M. Blondeau, J. Cayouette et J. Labrecque. Gaétan Morin éditeur. 1093 pp.
CA-NS
present
introduced
1 reference
Newfoundland, CA
excluded
1 reference
Meades, S., S.G. Hay & L. Brouillet. 2000. Annotated Checklist of the Vascular Plants of Newfoundland and Labrador. Published in association with A Digital Flora of Newfoundland and Labrador Vascular Plants. http://www.digitalnaturalhistory.com/meades.htm (consulted 2009-09-02) http://www.digitalnaturalhistory.com/meades.htm
FR-PM
1 reference
Etcheberry, R., D. Abraham & S. Muller. 2010. Nouvelles espèces de plantes vasculaires pour les îles Saint-Pierre-et-Miquelon et commentaires sur la flore de l’archipel. Bulletin de la Société des naturalistes luxembourgeois 111: 85-105. http://snl.lu/publications/bulletin/SNL_2010_111_085_105.pdf
CA-BC
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CA-ON
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CA-QC
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US-CA
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US-CT
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US-DE
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US-FL
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US-IL
1 reference
US-IN
1 reference
US-MA
1 reference
US-MO
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US-MT
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US-NH
1 reference
US-NJ
1 reference
US-NY
1 reference
US-OH
1 reference
US-OR
1 reference
US-PA
1 reference
US-RI
1 reference
US-VT
1 reference
US-VA
1 reference
US-WA
1 reference
US-WV
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US-WI
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US-WY
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Stems 1–few, erect or ascending, openly branched distally, villous to scabrous with septate hairs and loosely tomentose, ± glabrate.
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Leaves: basal and proximal cauline, petiolate, blades oblanceolate or elliptic, 5–25 cm, margins entire or shallowly dentate to irregularly pinnately lobed;
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distal cauline sessile, not decurrent, blades linear to lanceolate, gradually smaller, entire or dentate.
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Heads radiant or discoid, in few-headed corymbiform arrays, borne on leafy-bracted peduncles.
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Involucres 15–18 mm, subcylindric to ovoid or campanulate, usually longer than wide, even when pressed.
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Principal phyllaries: bodies lanceolate to ovate, loosely tomentose or glabrous, usually not fully covered by narrow appendages, these erect, overlapping, dark-brown to black, flat, margins pectinately dissected into 6–8 pairs of wiry lobes.
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Inner phyllaries: tips truncate, irregularly dentate or lobed.
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Florets 40–100+, all fertile or peripheral sterile;
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corollas purple (rarely white), those of sterile florets ± expanded and exceeding corollas of fertile florets, those of fertile florets 15–18 mm.
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Cypselae tan, 2.5–3 mm, finely hairy;
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pappi 0 or of many unequal, sometimes caducous bristles 0.5–1 mm. 2n = 22 (Hungary), 44 (Hungary; Italy).
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shallowly dentate to irregularly pinnately lobed
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subcylindric
ovoid or campanulate
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usually longer than wide
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of many unequal , sometimes caducous bristles
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