Carex acutiformis Ehrhart (Q368)

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Carex acutiformis is a taxon with the rank species within the section Carex sect. Paludosae
Language Label Description Also known as
English
Carex acutiformis Ehrhart
Carex acutiformis is a taxon with the rank species within the section Carex sect. Paludosae

    Statements

    taxon/id/Carex acutiformis Ehrhart
    0 references
    Carex acutiformis Ehrhart
    Carex acutiformis
    Ehrhart
    FNA Editorial Committee. 2002. Flora of North America north of Mexico. Volume 23: Cyperaceae. Oxford University Press, New York.
    accepted
    carex des marais (French)
    laîche des marais (French)
    fausse laiche aiguë (French)
    lesser pond sedge (English)
    swamp sedge (English)
    European lake sedge (English)
    open swamps
    open thickets
    marsh edges
    sedge meadows
    lakeshores
    rhizomes long-creeping.
    Culms central, coarse, trigonous, 55–130 cm, scabrous-angled.
    Leaves: basal sheaths pale green to brownish or red tinged;
    ligules 5–14 mm;
    blades glaucous, M-shaped, (4.5–) 5.5–12 (–20) mm wide, glabrous.
    Inflorescences 15–35 cm;
    proximal 2–5 spikes pistillate, ascending;
    terminal 1–2 (–3) spikes staminate.
    Pistillate scales lanceolate, acute to acuminate, glabrous, at least the proximal with scabrous awn to 3.5 mm.
    Perigynia ascending, ± glaucous, often strongly red dotted, ± strongly 12–18-veined, thin-walled, narrowly ovoid, flattened-trigonous, 3–4.5 × 1.4–2.1 mm, glabrous;
    beak 0.3–0.6 mm, emarginate to weakly bidentulate, teeth to 0.2 mm. 2n = 78.