Difference between revisions of "Eleocharis fallax Weatherby (Q3291)"
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Latest revision as of 12:36, 24 June 2022
Eleocharis fallax is a taxon with the rank species within the series Eleocharis ser. Eleocharis
| Language | Label | Description | Also known as |
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| English |
Eleocharis fallax Weatherby
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Eleocharis fallax is a taxon with the rank species within the series Eleocharis ser. Eleocharis
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Statements
taxon/id/Eleocharis fallax Weatherby
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Eleocharis fallax Weatherby
Eleocharis fallax
Weatherby
FNA Editorial Committee. 2002. Flora of North America north of Mexico. Volume 23: Cyperaceae. Oxford University Press, New York.
accepted
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CA-NS
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FNA Editorial Committee. 2002. Flora of North America north of Mexico. Volume 23: Cyperaceae. Oxford University Press, New York. http://www.efloras.org/volume_page.aspx?volume_id=1023&flora_id=1
CA-NS
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US-MA
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US-NJ
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Plants perennial, mat-forming;
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rhizomes evident, long, 1–2 mm thick, firm, cortex persistent, longer internodes 5–10 (–20) mm, scales sometimes fugaceous, 5–7 mm, papery (to membranous), sometimes fibrous.
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Culms terete, often with to 12 blunt ridges when dry, 30–75 cm × 0.5–1.5 mm, firm, internally spongy.
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Leaves: distal leaf-sheaths persistent, not splitting, proximally dark red, distally stramineous or green, papery to membranous, apex dark redbrown, obtuse, not callose, tooth rarely present on some culms, 0.2 mm.
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Spikelets ovoid or subspheric, 5–12 × 2–3 (–4) mm, apex acute to obtuse;
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proximal scale amplexicaulous, entire;
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floral scales deciduous, often spreading in fruit, 10–35, 3 per mm of rachilla, redbrown to blackish brown, midrib regions sometimes green, ovate, 2.5–3 × 1.7 mm, apex entire, obtuse to acute, often carinate in distal part of spikelet.
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Flowers: perianth bristles 1–5, brown, stout, very unequal, rudimentary to equaling achene;
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styles 3-fid or some 2-fid.
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Achenes not persistent, dark yellow or medium brown, obovoid to obpyriform, compressed trigonous, or some thickly biconvex, angles evident, 1.1–1.5 × 0.95–1.25 mm, apex rounded, neck very short (to absent), finely rugulose at 10–20X, 20 or more horizontal ridges in vertical series, finely cancellate at 20–30X.
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Tubercles whitish to brown, pyramidal, not depressed, as high as wide, 0.3–0.5 × 0.4–0.6 mm. 2n = 42.
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