Cyperus bipartitus Torrey (Q3264)

From Canadian Flora Commons
Jump to navigation Jump to search
Cyperus bipartitus is a taxon with the rank species within the subgenus Cyperus subg. Pycreus
Language Label Description Also known as
English
Cyperus bipartitus Torrey
Cyperus bipartitus is a taxon with the rank species within the subgenus Cyperus subg. Pycreus

    Statements

    taxon/id/Cyperus bipartitus Torrey
    0 references
    Cyperus bipartitus Torrey
    Cyperus bipartitus
    FNA Editorial Committee. 2002. Flora of North America north of Mexico. Volume 23: Cyperaceae. Oxford University Press, New York.
    accepted
    souchet des rivières (French)
    souchet bipartite (French)
    shining flatsedge (English)
    slender flatsedge (English)
    brook flatsedge (English)
    river cyperus (English)
    Shining flatsedge (English)
    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/
    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.
    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.
    Mexico
    Central America
    South America
    emergent shorelines
    ditches
    puddles
    disturbed places
    Herbs, annual, densely cespitose, with fibrous-roots.
    Culms roundly trigonous, 3–25 (–30) cm × 0.3–1.4 mm, glabrous.
    Leaves 1–3, V-shaped, 1–8 cm × 1–2 mm.
    Inflorescences: spike 1, loosely ovoid, compressed, 7–14 × 9–14 mm;
    rays 1–4, to 2 (–3) cm;
    bracts 2–3, horizontal to ascending at 30 (–45) °, V-shaped to flat, 1–12 cm × 0.5–1.5 mm.
    Spikelets 3–5 (–8), flattened, oblong to oblong-lanceoloid, 8–18 × 2–2.6 (–3) mm;
    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.
    Flowers: stamens 2–3;
    anthers 0.4–0.5 mm, connective not prolonged;
    styles 0.6–1 mm;
    stigmas 1–1.5 mm.
    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.