Difference between revisions of "Scirpus georgianus R. M. Harper (Q3374)"
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Latest revision as of 12:39, 24 June 2022
Scirpus georgianus is a taxon with the rank species within the genus Scirpus
| Language | Label | Description | Also known as |
|---|---|---|---|
| English |
Scirpus georgianus R. M. Harper
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Scirpus georgianus is a taxon with the rank species within the genus Scirpus
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Statements
taxon/id/Scirpus georgianus R.M. Harper
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Scirpus georgianus R.M. Harper
Scirpus georgianus
R.M. Harper
FNA Editorial Committee. 2002. Flora of North America north of Mexico. Volume 23: Cyperaceae. Oxford University Press, New York.
accepted
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bristleless dark-green bulrush (English)
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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
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
CA-PE
present
introduced
1 reference
FNA Editorial Committee. 2002. Flora of North America north of Mexico. Volume 23: Cyperaceae. Oxford University Press, New York. http://www.efloras.org/volume_page.aspx?volume_id=1023&flora_id=1
CA-NS
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CA-ON
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CA-PE
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US-AL
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US-AR
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US-CT
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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-MN
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US-MS
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US-MO
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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-NC
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US-OH
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US-OK
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US-PA
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US-SC
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US-TN
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US-TX
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US-VT
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US-VA
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US-WV
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US-WI
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rhizomes short, tough, fibrous.
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Culms: fertile ones upright or reclining;
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Leaves 6–12 per culm;
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sheaths of proximal leaves green or brownish;
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proximal sheaths and blades with septa few-to-many, usually not conspicuous;
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blades 19–50 cm × 6–13 mm.
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Inflorescences terminal;
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rays ascending or divaricate (often both in the same inflorescence), proximal branches smooth, distal branches scabrous or scabrellous, rays often bearing axillary bulblets;
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bases of involucral-bracts green, margins brown or at least speckled with redbrown, not glutinous.
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Spikelets in clusters of 4–35 (largest cluster with 16 or more), spikelets sessile, ovoid, 2–4 × 1–2 mm;
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scales brown or blackish brown with pale midribs, elliptic, 1–1.8 mm, apex mucronate, mucro 0.1–0.3 mm.
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Flowers: perianth bristles persistent when present, 0–3, slender, straight or curved, much shorter than (rarely to 0.7 times as long as) achene, smooth or rarely with round-tipped, retrorse teeth near apex, enclosed within scales;
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Achenes pale-brown to almost white, elliptic or obovate in outline, plumply trigonous or planoconvex, 0.6–1.2 × 0.4–0.5 mm. 2n = 50, 52, 54.
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