Carex filifolia Nuttall (Q169)

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Carex filifolia is a taxon with the rank species within the section Carex sect. Filifoliae
Language Label Description Also known as
English
Carex filifolia Nuttall
Carex filifolia is a taxon with the rank species within the section Carex sect. Filifoliae

    Statements

    taxon/id/Carex filifolia Nuttall
    0 references
    Carex filifolia Nuttall
    Carex filifolia
    Nuttall
    FNA Editorial Committee. 2002. Flora of North America north of Mexico. Volume 23: Cyperaceae. Oxford University Press, New York.
    accepted
    carex à feuilles filiformes (French)
    thread-leaved sedge (English)
    sheep's-wool sedge (English)
    carex filifolié (French)
    Culms round or trigonous, filiform, wiry, angles proximal to spike blunt or sharp, 5–35 cm, shorter than or longer than leaves.
    Leaves: basal leaf-sheaths fibrillose when old;
    blades yellow-green or bright green, involutecylindric, quill-shaped, 6–25 cm, 0.3–0.7 mm wide near base.
    Spike 7–30 × 3–7 mm, staminate portion 4–14 mm.
    Proximal pistillate scales pale redbrown with white or gold margins, broadly obovate, 2.3–4.5 (–6.5) × 1.7–4 mm, shorter or longer than perigynia, apex obtuse to short-awned.
    Staminate scales redbrown with broad, white margins, broadly obovate, apex obtuse.
    Perigynia (2–) 5–18, appressed to ascending, white to gold, obovate to orbiculate, 1.9–4.8 × 1.3–2 mm, body conspicuously hirsute or pubescent, at least distal 1/4 (occasionally only proximal to beak);
    beak 0–0.8 mm, style base often conspicuously exserted from beak;
    Achenes obovate to elliptic, 1.5–3.3 × 1.1–1.9 mm.
    Stigmas ± black.