Cyperus erythrorhizos Muhlenberg (Q3247)
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Cyperus erythrorhizos is a taxon with the rank species within the subgenus Cyperus subg. Juncellus
| Language | Label | Description | Also known as |
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| English |
Cyperus erythrorhizos Muhlenberg
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Cyperus erythrorhizos is a taxon with the rank species within the subgenus Cyperus subg. Juncellus
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taxon/id/Cyperus erythrorhizos Muhlenberg
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Cyperus erythrorhizos Muhlenberg
Cyperus erythrorhizos
Muhlenberg
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-BC
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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-MB
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Manitoba Checklist, 2002
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-QC
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Tardif, B., B. Tremblay, G. Jolicoeur & J. Labrecque. 2016. Les plantes vasculaires en situation précaire au Québec. CDPNQ, Gouv. Québec, MDDELCC, Direction de l'expertise en biodiversité, Québec, 420 p. http://www.cdpnq.gouv.qc.ca/pdf/plantesVasculairesWeb.pdf
CA-MB
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CA-ON
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US-AL
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US-AZ
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US-AR
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US-CA
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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-IA
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US-KS
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US-KY
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US-LA
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US-ME
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US-MD
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US-MA
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US-MI
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US-MN
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US-MS
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US-MO
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US-NE
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US-NV
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US-NH
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US-NJ
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US-NM
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US-NY
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US-NC
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US-ND
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US-OH
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US-OK
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US-OR
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US-PA
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US-RI
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US-SC
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US-SD
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US-TX
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US-UT
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Herbs, annual, cespitose.
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Culms trigonous to roundly trigonous, (0.5–) 5–25 (–105) cm × 1–2.5 (–7.5) mm, glabrous.
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Leaves flat to inversely W-shaped, 5–25 (–90) cm × 2–5 (–11) mm.
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Inflorescences: spikes 1–3 (–6), rather densely cylindric-ovoid, (4–) 10–30 (–45) × (6–) 10–16 (–23) mm;
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rays 2–6 (–12), 1–8 (–28) cm;
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bracts (3–) 5–7 (–11), horizontal to ascending at 30°, inversely W-shaped, (3–) 10–20 (–70) cm × 1–3 (–12) mm;
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rachilla persistent, at maturity becoming laterally free, remaining firmly attached proximally, wings 0.3 (–0.4) mm wide.
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Spikelets (20–) 40–80, linear, quadrangular, 3–8 (–11) × 1–1.5 mm;
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floral scales deciduous, 6–16 (–30), appressed, laterally light-brown with reddish speckles, medially greenish, laterally ribless, medially 3-ribbed, oblongovate to obovate, quadrangular to subterete, 1.3–1.5 × 0.8–1.2 mm, apex obtuse, mucronulate.
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Flowers: anthers 0.2–0.3 mm, connectives 0.1 mm;
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styles 0.7–0.8 mm;
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Achenes light grayish to brown, sessile, ovoid, (0.4–) 0.7–1 × 0.4–0.6 mm, apex rounded, apiculate, surfaces glabrous.
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