Carex molesta Mackenzie ex Bright (Q341)

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Carex molesta is a taxon with the rank species within the section Carex sect. Ovales
Language Label Description Also known as
English
Carex molesta Mackenzie ex Bright
Carex molesta is a taxon with the rank species within the section Carex sect. Ovales

    Statements

    taxon/id/Carex molesta Mackenzie ex Bright
    0 references
    Carex molesta Mackenzie ex Bright
    Carex molesta
    Mackenzie ex Bright
    FNA Editorial Committee. 2002. Flora of North America north of Mexico. Volume 23: Cyperaceae. Oxford University Press, New York.
    accepted
    carex dérangeant (French)
    troublesome sedge (English)
    field oval sedge (English)
    Carex dérangeant (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
    Harms, V.L. 2003. Checklist of the Vascular Plants of Saskatchewan and the provincially and nationally rare native plants in Saskatchewan. University of Saskatchewan, University Extension Press.
    fields
    roadsides
    bottomlands
    open woods
    calcareous
    dry to wet
    calcareous soils
    Culms 35–110 cm;
    vegetative culms few, inconspicuous, usually fewer than 15 leaves, not strikingly 3-ranked, leaves clustered at apex.
    Leaves: sheaths adaxially green, narrow hyaline band near collar, adaxially firm, summits U-shaped, smooth;
    distal ligules 1.5–3.2 mm;
    blades 3–6 per fertile culm, 12–38 cm × 1.5–4 mm.
    Inflorescences erect, ± congested, green to light-brown, 1.3–3 (–3.5) cm × 7–16 mm;
    proximal internode 1.5–6 mm;
    2d internode 2.5–6.5 mm;
    proximal bracts aristate, with bristle tips shorter than inflorescences.
    Spikes 2–4 (–5), overlapping, globose to ellipsoid, 6–16 × 5–12 mm, base and apex rounded;
    terminal spike usually lacking conspicuous staminate base.
    Pistillate scales hyaline-brown, with green or pale midstripe, ovate, 2.9–3.5 mm, much shorter and narrower than perigynia, margins pale, apex acute.
    Perigynia (25–) 30–80 per spike, spreading at maturity, ascending-spreading, pale-brown, conspicuously 5-veined or more abaxially, conspicuously 0–6-veined adaxially, elliptic to ± orbiculate, planoconvex, (3–) 3.3–4.8 (–5.7) × 1.8–3 mm, 0.5–0.6 mm thick, 1.2–1.8 times as long as wide, margin flat, including wing 0.4–0.8 mm wide, smooth;
    beak light-brown at tip, flat, 0.7–1.6 (–1.8) mm, ± ciliate-serrulate, abaxial suture with white or hyaline golden brown margin, distance from beak tip to achene 1.6–2.6 mm.