Carex retrorsa Schweinitz (Q578)
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Carex retrorsa is a taxon with the rank species within the section Carex sect. Vesicariae
| Language | Label | Description | Also known as |
|---|---|---|---|
| English |
Carex retrorsa Schweinitz
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Carex retrorsa is a taxon with the rank species within the section Carex sect. Vesicariae
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Statements
taxon/id/Carex retrorsa Schweinitz
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Carex retrorsa Schweinitz
Carex retrorsa
Schweinitz
FNA Editorial Committee. 2002. Flora of North America north of Mexico. Volume 23: Cyperaceae. Oxford University Press, New York.
accepted
1 reference
CA-BC
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-AB
1 reference
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
1 reference
Harms, V.L. 2006. Annotated catalogue of Saskatchewan vascular plants. http://www.biodiversity.sk.ca/Docs/AnnotatedCatalogueSKVascPlants2006.pdf
CA-MB
1 reference
Manitoba Checklist, 2002
CA-ON
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
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-NB
1 reference
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-PE
1 reference
Catling, P.M., D.S. Erskine & R.B. MacLaren. 1985. The Plants of Prince Edward Island with new records, nomenclatural changes, and corrections and deletions. Agriculture Canada, Research Branch, Ottawa. Publication 1798. 272 pp.
CA-NS
1 reference
Zinck, M. 1998. Roland's Flora of Nova Scotia. Nimber Publishing & Nova Scotia Museum. Halifax, N. S. 2 vols. 1297 pp.
CA-NT
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Porsild, A.E. & W.J. Cody. 1980. Vascular Plants of the Continental Northwest Territories, Canada. National Museum of Natural Sciences, Ottawa, Ont. 667 pp.
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-CT
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US-ID
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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-MT
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US-NY
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US-OR
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US-PA
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US-UT
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US-VT
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US-WA
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US-WI
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US-WY
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Newfoundland, CA
present
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Herbier Marie-Victorin (MT). Université de Montréal, Montréal, QC. Specimen. http://www.biodiversite.umontreal.ca/herbier-marie-victorin?lang=en
rhizomes very short or inconspicuous.
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Culms trigonous in cross-section, 10–105 cm, smooth distally.
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Leaves: basal sheaths dark reddish-brown;
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ligules longer than wide;
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blades mid to dark green, flat to W-shaped, widest leaves 3–10 mm wide, glabrous.
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Inflorescences 3–20 (–35) cm;
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proximal bract 19–70 (–100) cm, (2.5–) 3–9 times longer than inflorescence;
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proximal (2–) 3–6 spikes pistillate, ascending to spreading, at least the distal erect, ca. 20–150-flowered, cylindric;
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terminal 1 (–3) spikes staminate, slightly if at all elevated beyond summit of crowded pistillate spikes.
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Pistillate scales narrowly ovate, 2.4–4.5 × 1.1–1.8 mm, shorter than perigynia, margins entire, apex acute to acuminate, awnless.
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Perigynia mostly reflexed at maturity, often green or straw colored, strongly 6–13-veined, veins running into beak, ovate, 6–10 × (1.6–) 2.1–3.4 mm, apex abruptly tapered;
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beak 2.1–4.5 mm, bidentulate, smooth, teeth straight, 0.3–1.1 mm.
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Achenes pale-brown, symmetric, not indented, trigonous, smooth.
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(2.5-)3-9 times longer than inflorescence
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