Carex sprengelii Dewey ex Sprengel (Q240)
Carex sprengelii is a taxon with the rank species within the section Carex sect. Hymenochlaenae
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| English |
Carex sprengelii Dewey ex Sprengel
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Carex sprengelii is a taxon with the rank species within the section Carex sect. Hymenochlaenae
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Statements
taxon/id/Carex sprengelii Dewey ex Sprengel
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Carex sprengelii Dewey ex Sprengel
Carex sprengelii
Dewey ex Sprengel
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-AB
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Packer, J.G. & A.J. Gould. 2017.Vascular Plants of Alberta. Part 1: Ferns, Fern Allies, Gymnospermes, and Monocots. University of Calgary Press, Calgary.
CA-SK
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Harms, V.L. 2006. Annotated catalogue of Saskatchewan vascular plants. http://www.biodiversity.sk.ca/Docs/AnnotatedCatalogueSKVascPlants2006.pdf
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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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-NB
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Hinds, H.R. 2000. Flora of New Brunswick : a manual for the identification of the vascular plants of New Brunswick. 2nd edition. Biology Department, University of New Brunswick, Fredericton. 699 pp.
CA-AB
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CA-BC
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CA-MB
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CA-NB
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CA-ON
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CA-QC
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CA-SK
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US-CO
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US-CT
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US-DE
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US-IL
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US-IN
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US-IA
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US-ME
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US-MA
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US-MI
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US-MN
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US-MO
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US-MT
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US-NE
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US-NH
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US-NJ
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US-NY
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US-ND
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US-PA
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US-SD
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US-VT
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US-WI
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US-WY
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Plants with short-creeping rhizomes, loosely cespitose, forming colonies.
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Culms brown at base, densely covered with brown fibrillose remains of previous year’s leaves;
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flowering-stems 30–90 cm, longer than leaves at maturity, 0.5–0.7 mm thick, glabrous but finely scabrous within inflorescence.
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Leaves: sheaths glabrous, basal ones tinged with brown and all bearing blades, green to hyaline on back, white-hyaline on front;
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blades flat, 2.5–4 mm wide, finely scabrous on adaxial surface and margins, glabrous on abaxial surface.
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Inflorescences: peduncles of lateral spikes slender, 20–60 mm, equaling or somewhat longer than spikes, finely scabrous;
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peduncle of terminal spike 5–15 mm, scabrous;
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proximal bracts equaling inflorescences or more often shorter;
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sheaths 3–5 mm or rarely longer;
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blades 1–1.5 mm wide.
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Lateral spikes 4–5, 1 per node;
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proximal spikes well separated, nodding or drooping at maturity, pistillate with 10–40 perigynia about 1 mm apart, cylindric, 10–35 × 8–10 mm;
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distal spikes crowded near apex, sessile or nearly so, staminate or androgynous, linear, less than 20 mm.
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Terminal spike staminate or rarely with a few perigynia at base, 10–20 × 1.5–2 mm.
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Pistillate scales pale hyaline tinged with chestnut, narrow midrib green, sometimes finely scabrous, ovateoblong, shorter than mature perigynia, apex long-acuminate, glabrous.
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Perigynia shiny tan to golden green, 2-ribbed, but otherwise veinless, closely enveloping achene at maturity, ovoid-ellipsoid, 4.5–6.5 × 1.5–2 mm, membranous, base acute, apex abruptly contracted to beak, glabrous;
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beak bidentate, narrowly tubular, nearly as long as body, finely scabrous on edge, teeth hyaline, 1 mm.
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Achenes substipitate, 2–2.5 × 1.7–1.8 mm. 2n = 42.
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