Carex tribuloides Wahlenberg (Q360)

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

    Statements

    taxon/id/Carex tribuloides Wahlenberg
    0 references
    Carex tribuloides Wahlenberg
    Carex tribuloides
    Wahlenberg
    FNA Editorial Committee. 2002. Flora of North America north of Mexico. Volume 23: Cyperaceae. Oxford University Press, New York.
    accepted
    blunt broom sedge (English)
    awl-fruited oval sedge (English)
    carex tribuloïde (French)
    Carex tribuloïde (English)
    Mexico (Veracruz)
    Plants densely cespitose.
    Culms 50–110 cm;
    vegetative culms with numerous leaves spaced evenly along distal 1/2.
    Leaves: sheaths adaxially green-veined nearly to collar, with ± triangular white-hyaline area to 3–8 mm proximal to collar, somewhat loose, expanded near summits, ± wing-angled, adaxially firm, summits U-shaped, somewhat thickened, slightly prolonged beyond collar;
    distal ligules 4–8 (–12) mm;
    blades 4–10 per fertile culm, 15–40 cm × (2–) 3–7 mm.
    Inflorescences erect, dense distally, brown, 2–5 (–8) cm × 10–20 mm;
    proximal internode 2–20 mm;
    2d internode 2–13 mm;
    proximal bracts bristlelike, 1 (–8) cm.
    Spikes 6–15, overlapping or distinct, ovoid-oblong to globose, 6–12 (–16) × 4–8 mm, base rounded to tapered, apex rounded.
    Pistillate scales white-hyaline or pale silvery brown with green midstripe, lanceolate, (1.9–) 2.5–3 mm, 1/2 length of and narrower than perigynia, apex acute to acuminate.
    Perigynia more than (30–) 40 per spike, appressed-ascending to ascending, pale green to pale-brown, 3–6-veined abaxially, conspicuously or, occasionally, faintly, 2–4-veined adaxially, often somewhat asymmetric, ovatelanceolate to ovate-elliptic, planoconvex, 3–5.4 × 1.1–1.7 mm, 0.3–0.5 mm thick, margin flat, including wing 0.1–0.5 mm wide;
    beak tip flat, ciliate-serrulate, abaxial suture with golden to dark-brown hyaline margin, distance from beak tip to achene 1.4–2 mm.