Carex gracilescens Steudel (Q274)
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Carex gracilescens is a taxon with the rank species within the section Carex sect. Laxiflorae
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Carex gracilescens Steudel
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Carex gracilescens is a taxon with the rank species within the section Carex sect. Laxiflorae
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Statements
taxon/id/Carex gracilescens Steudel
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Carex gracilescens Steudel
Carex gracilescens
Steudel
FNA Editorial Committee. 2002. Flora of North America north of Mexico. Volume 23: Cyperaceae. Oxford University Press, New York.
accepted
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CA-ON
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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-ON
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US-AL
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US-AR
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US-CT
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US-DE
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US-DC
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US-FL
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US-GA
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US-IL
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US-IN
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US-KY
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US-MD
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US-MA
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US-MI
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US-MS
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US-MO
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US-NH
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US-NJ
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US-NY
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US-NC
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US-OH
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US-OK
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US-PA
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US-TN
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US-TX
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US-VA
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US-WV
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US-WI
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CA-QC
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Herbier Marie-Victorin (MT). Université de Montréal, Montréal, QC. Specimen. http://www.biodiversite.umontreal.ca/herbier-marie-victorin?lang=en
Culms densely tufted, ascending, lax or, occasionally, decumbent, 13â78 cm Ă 0.8â1 mm.
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Leaves: basal sheaths purple or purple-tinged;
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sheaths 2â42 mm;
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blades ascending or lax, erect, green or yellow-green, midrib developed adaxially, 2 lateral-veins abaxially, 19â38 cm Ă 1â5 mm, blades of overwintering leaves smooth.
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Inflorescences: peduncles proximal pistillate spikes to 11 cm, distal spike sessile;
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staminate spike 0.5â10.6 cm.
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Bracts 0.5â11.2 cm Ă 0.5â4 mm, angles of bract sheath denticulate;
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bract blade of distal lateral spikes linear, narrower than spikes, not concealing them;
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widest bract blade of distalmost lateral spike 0.5â3.4 mm wide.
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Spikes (3â) 4 (â5) per culm;
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lateral spikes 5â27 Ă 3â4 mm;
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internode between proximal scales in proximal spike 1.1â3.2 (â4.8) mm;
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terminal spike linear, 11â21 Ă 1â2.2 mm.
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Pistillate scales 2.8â3 Ă 1â1.2 mm, apex acute to aristate, awn to 1 mm.
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Staminate scales 3.5â4 Ă 1.2â1.5 mm, margins hyaline, purple-brown or brownish purple-tinged, apex acute.
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Anthers 2.6â3 mm.
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Perigynia 4â12 per spike, closely overlapping, aggregated, ascending, conspicuously (22â) 25â32-veined, elliptic-obovate, 2.8â3 Ă 1.5â1.8 mm, 1.8â2.7 times long as wide;
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beak abruptly bent, 0.2â0.8 mm.
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Achenes obovoid, 2.6â2.8 Ă 1.3â1.6 mm. 2n = 33, 38, 40.
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