Carex schweinitzii Dewey ex Schweinitz (Q582)

From Canadian Flora Commons
Revision as of 15:32, 17 June 2022 by WikibaseAdmin (talk | contribs) (‎Changed an Item)
Jump to navigation Jump to search
Carex schweinitzii is a taxon with the rank species within the section Carex sect. Vesicariae
Language Label Description Also known as
English
Carex schweinitzii Dewey ex Schweinitz
Carex schweinitzii is a taxon with the rank species within the section Carex sect. Vesicariae

    Statements

    taxon/id/Carex schweinitzii Dewey ex Schweinitz
    0 references
    Carex schweinitzii Dewey ex Schweinitz
    Carex schweinitzii
    Dewey ex Schweinitz
    FNA Editorial Committee. 2002. Flora of North America north of Mexico. Volume 23: Cyperaceae. Oxford University Press, New York.
    accepted
    carex de Schweinitz (French)
    Schweinitz's sedge (English)
    Carex de Schweinitz (English)
    shallow cold streams
    springheads
    margins
    seepy stream
    lakeshores
    shaded sites
    calcareous soils
    Plants extensively colonial;
    Culms trigonous in cross-section, 18–65 cm, smooth distally.
    Leaves: basal sheaths pale-brown;
    ligules as wide to wider than long;
    blades pale to mid green, flat to W-shaped, 4–11 mm wide, glabrous.
    Inflorescences 8–24 cm;
    proximal bract 11–37 cm, exceeding inflorescence;
    proximal 2–4 spikes pistillate, erect or often the proximal ascending to spreading;
    terminal 1 (–2) spikes staminate.
    Pistillate scales lanceolate-acuminate, 2.4–6.9 × 0.3–0.9 mm, shorter than or the proximal longer than perigynia, margins serrulate-ciliate, apex with prominent scabrous awn.
    Staminate scales acute to acuminate, smooth except at tip.
    Perigynia ascending, 7–11-veined, narrowly elliptic, 4.2–7 × 1.3–1.8 mm, apex tapered;
    beak 1.4–2.4 mm, bidentulate, smooth, teeth straight, 0.2–0.5 mm.
    Achenes pale-brown, trigonous, smooth.