Dulichium arundinaceum (Linnaeus) Britton (Q3277)
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Dulichium arundinaceum is a taxon with the rank species within the genus Dulichium
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| English |
Dulichium arundinaceum (Linnaeus) Britton
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Dulichium arundinaceum is a taxon with the rank species within the genus Dulichium
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Statements
taxon/id/Dulichium arundinaceum (Linnaeus) Britton
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Dulichium arundinaceum (Linnaeus) Britton
Dulichium arundinaceum
(Linnaeus) Britton
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-BC
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CA-MB
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CA-NB
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CA-NS
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CA-ON
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CA-PE
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CA-QC
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US-AL
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US-AR
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US-CA
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US-CT
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US-DE
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US-FL
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US-GA
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US-ID
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US-IL
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US-IN
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US-IA
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US-KY
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US-LA
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US-ME
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US-MA
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US-MD
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US-MI
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US-MN
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US-MS
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US-MO
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US-MT
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US-NC
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US-NH
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US-NJ
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US-NY
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US-NE
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US-OH
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US-OK
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US-OR
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US-PA
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US-RI
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US-SC
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US-TN
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US-TX
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US-VA
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US-VT
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US-WV
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US-WA
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US-WI
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US-WY
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Rhizomes 2–5 mm thick;
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internodes 2–5 cm.
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Culms 2–14, erect, unbranched, jointed, aphyllopodic, terete, 20–100 cm × 2–5 mm;
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internodes hollow.
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Leaves: sheaths 2–14, bladeless, green, often with white dots in intervenal areas, with brown-hyaline 1–2 mm margin at mouth, firm;
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blades 3–15 per culm, 3-ranked, ascending, thick, 4–15 cm × 1–8 mm, ± leathery, glabrous;
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distal 5–20 leaves serving as bracts.
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Inflorescences 6–30 cm;
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spikes 1–17, in sheath axils, 2–5 cm.
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Spikelets 2-ranked, appressed-ascending to ascending-spreading, linear-lanceolate, flat, 1.5–3 cm × 1.2–2.5 mm;
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rachilla winged, wings hyaline, usually containing spongy tissue proximally, occasionally ciliate;
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scales decurrent, spongy-based, 5–9.5 × 1.4–2.4 mm, each subtending flower.
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Flowers 2-ranked, sessile;
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scales green with gold-hyaline margins;
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perianth bristles 6–9, 4–7.5 mm, stiff;
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stamens 3, longer than perianth bristles;
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pistils 1, 2-carpellate;
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styles 1, 3.8–6 mm, base persistent on achene;
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stigmas 2, 1–3.8 mm.
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Achene stipitate, 2–4 × 0.8–1.1 mm (excluding style base), shorter than perianth bristles.
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appressed-ascending
ascending-spreading
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