Cyperus bipartitus Torrey (Q3264)
Cyperus bipartitus is a taxon with the rank species within the subgenus Cyperus subg. Pycreus
| Language | Label | Description | Also known as |
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| English |
Cyperus bipartitus Torrey
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Cyperus bipartitus is a taxon with the rank species within the subgenus Cyperus subg. Pycreus
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Statements
taxon/id/Cyperus bipartitus Torrey
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Cyperus bipartitus Torrey
Cyperus bipartitus
Torrey
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-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-ON
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CA-QC
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US-AR
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US-CA
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US-CO
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US-IN
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US-IA
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US-KY
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US-LA
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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-NH
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US-NJ
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US-NY
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US-ND
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US-OK
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US-PA
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Herbs, annual, densely cespitose, with fibrous-roots.
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Culms roundly trigonous, 3–25 (–30) cm × 0.3–1.4 mm, glabrous.
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Leaves 1–3, V-shaped, 1–8 cm × 1–2 mm.
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Inflorescences: spike 1, loosely ovoid, compressed, 7–14 × 9–14 mm;
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rays 1–4, to 2 (–3) cm;
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bracts 2–3, horizontal to ascending at 30 (–45) °, V-shaped to flat, 1–12 cm × 0.5–1.5 mm.
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Spikelets 3–5 (–8), flattened, oblong to oblong-lanceoloid, 8–18 × 2–2.6 (–3) mm;
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floral scales (6–) 10–26 (–32), closely imbricate, laterally light to dark-brown, medially light-brown, laterally ribless, medially 2–3-ribbed, 2-keeled, oblong to ovate, 1.9–2.7 × 1.8–2.3 mm, apex obtuse.
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Flowers: stamens 2–3;
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anthers 0.4–0.5 mm, connective not prolonged;
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stigmas 1–1.5 mm.
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Achenes black, network of ridges forming isodiametric or square cells, sessile, obovoid to ovoid, 1–1.3 (–1.5) × (0.6–) 0.8 mm, apex apiculate, surfaces minutely punctate.
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