Carex grisea Wahlenberg (Q217)

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Carex grisea is a taxon with the rank species within the section Carex sect. Griseae
Language Label Description Also known as
English
Carex grisea Wahlenberg
Carex grisea is a taxon with the rank species within the section Carex sect. Griseae

    Statements

    taxon/id/Carex grisea Wahlenberg
    0 references
    Carex grisea Wahlenberg
    Carex grisea
    Wahlenberg
    FNA Editorial Committee. 2002. Flora of North America north of Mexico. Volume 23: Cyperaceae. Oxford University Press, New York.
    accepted
    carex gris (French)
    grey sedge (English)
    inflated narrow-leaved sedge (English)
    eastern narrow-leaved sedge (English)
    narrow-leaved sedge (English)
    grey wood sedge (English)
    Carex gris (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.
    mesic deciduous forests
    forest openings
    calcium-rich alluvia
    flood plains
    Plants densely cespitose;
    rhizome internodes 1.2–2 mm thick.
    Culms dark purple-red to 2–3.2 cm high or rarely brown at base, 15–90 cm.
    Leaves: sheaths glabrous;
    blades green, widest blades (3.7–) 4.2–8.2 (–9.1) mm wide, smooth abaxially.
    Inflorescences 0.38–0.85 of culm height;
    peduncles of lateral spikes smooth or barely scaberulous;
    peduncles of terminal spikes 1.6–22 (–51) mm, usually barely exceeding lateral spikes;
    proximal bract sheath loose, abaxially glabrous, sheath front slightly concave to slightly convex, elongated 0.7–2.5 (–4.4) mm beyond apex;
    ligules (1.8–) 3–7.5 (–11.2) mm;
    distal bract slightly exceeding or rarely much exceeding terminal spike.
    Spikes (3–) 4–5 (–6), distal 2–4 overlapping;
    lateral spikes pistillate or rarely androgynous, with 3–19 perigynia, 5–31 × 6.7–11.4 mm, ratio of spike length (in mm) to flower number =1.6–2.1 (–2.8);
    terminal spikes 7–35 × 1.5–3.1 mm.
    Pistillate scales 4–8.2 × 2.1–2.6 mm, margins whitish, usually with redbrown speckles, entire, apex with awn 0.9–5.3 mm.
    Staminate scales 2.7–5 × 1.1–2.1 mm.
    Anthers 2.3–3.3 mm.
    Perigynia spirally imbricate, 52–64-veined, unwrinkled, narrowly ellipsoid to obovoid, orbicular or suborbicular in cross-section, (4.2–) 4.5–5.1 (–5.3) × (1.8–) 2–2.6 mm, 1.8–2.3 (–2.6) times as long as wide, lustrous, base very gradually tapered, apex gradually tapered;
    beak absent or straight, 0–0.2 mm.
    Achenes broadly obovoid to obovoid, widest at 0.6–0.66 (–0.7) of body length, (2.6–) 3.1–3.5 (–3.7) × 1.7–2.1 (–2.2) mm, loosely enveloped by perigynia;
    stipe straight, (0.2–) 0.3–0.4 (–0.5) mm;
    beak straight, (0.2–) 0.3–0.6 mm.