Fuirena Rottböll (Q3335)

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Fuirena is a taxon with the rank genus within the tribe Fuireneae
Language Label Description Also known as
English
Fuirena Rottböll
Fuirena is a taxon with the rank genus within the tribe Fuireneae

    Statements

    taxon/id/Fuirena Rottbøll
    0 references
    Fuirena Rottbøll
    Fuirena
    Rottbøll
    FNA Editorial Committee. 2002. Flora of North America north of Mexico. Volume 23: Cyperaceae. Oxford University Press, New York.
    accepted
    Umbrella-grass (English)
    Worldwide
    mostly in subtropics and tropics
    Herbs, annual or perennial, cespitose or not, rhizomatous or not, variously pubescent.
    Culms solitary or not, 3–5-angled in cross-section.
    Leaves all cauline, polystichous, usually hairy, hair sometimes confined to junction of blade and sheath;
    sheaths closed, tubular;
    ligules tubular, scarious;
    blades sometimes absent or reduced to mucro or cusp, flat, or those mid culm strongly formed.
    Inflorescences of spikelets sessile in clusters of 2–5 (rarely solitary), the clusters sessile or pedunculate and terminal or racemose;
    Spikelets: scales 20–50, spirally arranged, proximal 1–2 scales empty, others subtending flower, some distal scales empty.
    perianth (3–) 6 in sets of 3, outer set of stout, sharp bristles shorter than inner set of stipitate-bladed, spatulate scales, rarely inner set forked or pinnately lobed;
    stamens 1–3 (–6), long-exserted;
    styles linear, 3-fid, articulate well distal to base, base usually persistent.
    Achenes trigonous-rhomboid.