Eleocharis subg. Zinserlingia T. V. Egorova (Q3331)
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Eleocharis subg. Zinserlingia is a taxon with the rank subgenus within the genus Eleocharis
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Eleocharis subg. Zinserlingia T. V. Egorova
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Eleocharis subg. Zinserlingia is a taxon with the rank subgenus within the genus Eleocharis
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Statements
taxon/id/Eleocharis subg. Zinserlingia T.V. Egorova
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Eleocharis subg. Zinserlingia T.V. Egorova
Eleocharis subg. Zinserlingia
T.V. Egorova
FNA Editorial Committee. 2002. Flora of North America north of Mexico. Volume 23: Cyperaceae. Oxford University Press, New York.
accepted
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Plants perennial, never with spikelets proliferating or culms rooting at tips.
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Rhizomes present, creeping.
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Bulbs (resting buds) often present, terminating short rhizomes or among culm bases.
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Culms 5–40 cm × 0.3–1.2 (–2.5) mm, spongy, transverse septa incomplete.
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Spikelets ovoid or oblong, terete, usually much wider than their culms, 3–10 mm;
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rachilla with several proximal internodes shorter and thicker than internodes in middle of spikelet;
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proximal scale subtending a flower or empty;
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floral scales ca. 4–12 per spikelet, spiraled, 2.5–6 mm, with 1 vein, membranous.
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Styles 3-fid, or 3-fid and 2-fid.
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Achenes trigonous, or trigonous and biconvex, usually distally narrowed into a distinct beak, 1.5–2.7 mm, smooth or finely longitudinally ridged, the outer anticlinal epidermal-cell walls often forming a fine whitish reticulum.
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Tubercles often merging with achene summit in form, texture, and color, not dorsoventrally greatly compressed.
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compressed
not dorsoventrally greatly
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