Schoenoplectus smithii (A. Gray) Soják (Q4580)

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Schoenoplectus smithii is a synonym of Schoenoplectiella smithii (A. Gray) Hayasaka var. smithii
Language Label Description Also known as
English
Schoenoplectus smithii (A. Gray) Soják
Schoenoplectus smithii is a synonym of Schoenoplectiella smithii (A. Gray) Hayasaka var. smithii

    Statements

    taxon/id/Schoenoplectus smithii (A. Gray) Soják
    0 references
    taxon synonym
    Schoenoplectus smithii
    Smith’s bulrush (English)
    rhizomes 1 mm diam.
    Culms often arching (to decumbent), terete, 0.02–0.5 m × 0.5–1.5 mm.
    Leaves 1, to equaling culm;
    blades 0–1, cross-section C-shaped, from a mucro to longer than a sheath by 0.5 mm, smooth.
    Inflorescences capitate or 1 spikelet;
    proximal bract erect, very rarely divergent, on longer culms of plants 5–150 mm and 1/5–2/3 culm length.
    Spikelets 1–15, 5–12 × 3 (–4) mm;
    scales straw-colored to orangebrown, often lineolate-spotted, midrib region usually green becoming straw-colored, obovate, 2.5–3 × 1.5–2 mm, smooth, margins distally ciliolate at 20X, flanks in proximal part of spikelet each with 2–10 distinct ribs, apex rounded, entire, mucronate.
    Flowers: perianth bristles 0 or 4–6, rarely 1–3, brown, ± equaling to 2 times longer than achene, rarely much shorter, slender throughout, densely to sparsely retrorsely-spreading spinulose;
    anthers 0.4–0.6 mm;
    styles 2-fid or 2-fid and 3-fid.
    Achenes brown, turning blackish, thinly to thickly planoconvex or unequally biconvex, sometimes clearly trigonous with distinct, narrow abaxial angle, adaxial face without central bulge, cuneate-obovoid, proximally evenly tapered and usually without stipelike constriction, 1.5–2 × 1.2–1.5 mm, base 0.2–0.3 mm wide;
    beak 0.1–0.2 mm, very finely longitudinally ridged at 20–30X.