Cyperus odoratus Linnaeus (Q3243)

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Cyperus odoratus is a taxon with the rank species within the subgenus Cyperus subg. Diclidium
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English
Cyperus odoratus Linnaeus
Cyperus odoratus is a taxon with the rank species within the subgenus Cyperus subg. Diclidium

    Statements

    taxon/id/Cyperus odoratus Linnaeus
    0 references
    Cyperus odoratus Linnaeus
    Cyperus odoratus
    Linnaeus
    FNA Editorial Committee. 2002. Flora of North America north of Mexico. Volume 23: Cyperaceae. Oxford University Press, New York.
    accepted
    souchet odorant (French)
    rusty flatsedge (English)
    fragrant flatsedge (English)
    scented flatsedge (English)
    fragrant cyperus (English)
    fragrant umbrella sedge (English)
    Rusty flatsedge (English)
    emergent shorelines
    disturbed
    muddy places
    brackish marshes
    0–1500 m
    Central America
    South America
    Africa
    Pacific Islands (Hawaii)
    Australia
    Herbs, annual (or short-lived perennial).
    Culms trigonous, (4–) 10–50 (–130) cm × (0.5–) 1–4 mm.
    Leaves flanged V or inversely W-shaped, 5–30 (–60) cm × 4–12 mm.
    Inflorescences: spikes 1–5 (–12), loosely to densely cylindric, ovoid, or ± pyramidal, 10–20 (–40) × (8–) 10–30 (–35) mm;
    rays (0–2) 6–9 (–12), 2–8 (–13) cm;
    if rays absent, infloresence a single dense, capitate cluster of closely imbricate spikes;
    bracts (4–) 5–8 (–10), horizontal to ascending at 30–60°, (3–) 10–25 (–55) cm × 1–14 mm;
    rachilla hyaline or thickened bronze, carmine, or yellowish, wings clasping achene.
    Spikelets (10–) 20–60 (–100), linearoblong to narrowly linear, cylindric to slightly flattened (when scale tips spreading), (5–) 8–15 (–38) × 0.8–1.3 (–1.9) mm;
    floral scales (4–) 8–12– (30), medially green, laterally reddish to stramineous to shiny brown or beige, medially 2–5-ribbed, laterally 1–3-ribbed, ovate to elliptic, (2–) 2.2–2.8 (–3.2) × (1.2–) 1.4–1.6 (–1.8) mm, apex entire or emarginate with mucro to 0.3 mm.
    Flowers: anthers (0.2–) 0.3–0.4 (–0.7) mm;
    styles 0.4–0.7 (–1) mm;
    stigmas (1–) 1.5–3 mm.
    Achenes brown, reddish-brown, or black, stipitate, narrowly ellipsoid to oblong (rarely obovoid-oblong), (1–) 1.2–1.5 (–1.9) × 0.5–0.6 (–0.75) mm, stipe 0.1–0.2 mm, apex acute to barely obtuse, surfaces finely papillose.