Eriophorum gracile W. D. J. Koch ex Roth (Q3346)
Eriophorum gracile is a taxon with the rank species within the subgenus Eriophorum subg. Phylanthela
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| English |
Eriophorum gracile W. D. J. Koch ex Roth
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Eriophorum gracile is a taxon with the rank species within the subgenus Eriophorum subg. Phylanthela
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Statements
taxon/id/Eriophorum gracile W.D.J. Koch ex A. Roth
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Eriophorum gracile W.D.J. Koch ex A. Roth
Eriophorum gracile
W.D.J. Koch ex A. Roth
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-AB
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CA-BC
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CA-MB
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CA-NB
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CA-NL
Nfld. and Labr.
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CA-NT
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CA-NS
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CA-NU
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CA-ON
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CA-PE
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CA-QC
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CA-SK
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US-AK
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US-CA
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US-CO
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US-CT
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US-DE
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US-ID
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US-IL
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US-IN
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US-ME
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US-MA
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US-MI
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US-MN
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US-MT
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US-NV
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US-NH
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US-NJ
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US-NY
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US-OH
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US-OR
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US-PA
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US-RI
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US-UT
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US-VT
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US-WA
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US-WI
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US-WY
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Plants colonial from long-creeping rhizomes.
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Culms 20–60 cm × 0.5–0.8 mm, distally smooth.
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Leaves: blades trigonous-channeled in cross-section, to 30 cm × 1–2 mm;
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distal leaf-blade 1–4 cm × 1–1.5 mm, shorter than its 3.5–5.5 cm sheath.
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Inflorescences: blade-bearing involucral-bracts solitary, similar to distal leaf, blade usually gray or black proximally, 0.6–2 cm.
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Spikelets (1–) 2–5, in subumbels, narrowly ovoid, 7–10 mm in flower, 15–25 mm in fruit;
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peduncles 5–30 mm, scabrous;
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scales black or dark gray with black tip, broadly ovate, 3–4 mm, scarious, margins absent or to 0.1 mm wide, 5–9-ribbed, midrib prominent, usually dilated distally, reaching tip, apex obtuse-subacute.
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Flowers: perianth bristles 10 or more, white, 10–15 mm, smooth;
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Achenes narrowly obovoid, 1.5–3 mm.
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