Carex filifolia Nuttall (Q169)
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Carex filifolia is a taxon with the rank species within the section Carex sect. Filifoliae
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Carex filifolia Nuttall
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Carex filifolia is a taxon with the rank species within the section Carex sect. Filifoliae
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Statements
taxon/id/Carex filifolia Nuttall
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Carex filifolia Nuttall
Carex filifolia
Nuttall
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-NT
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CA-SK
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CA-YT
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US-AK
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US-AZ
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US-CA
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US-CO
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US-ID
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US-KS
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US-MN
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US-MT
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US-ND
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US-NM
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US-NE
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US-NV
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US-OR
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US-SD
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US-UT
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US-WA
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US-WY
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Culms round or trigonous, filiform, wiry, angles proximal to spike blunt or sharp, 5–35 cm, shorter than or longer than leaves.
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Leaves: basal leaf-sheaths fibrillose when old;
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blades yellow-green or bright green, involutecylindric, quill-shaped, 6–25 cm, 0.3–0.7 mm wide near base.
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Spike 7–30 × 3–7 mm, staminate portion 4–14 mm.
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Proximal pistillate scales pale redbrown with white or gold margins, broadly obovate, 2.3–4.5 (–6.5) × 1.7–4 mm, shorter or longer than perigynia, apex obtuse to short-awned.
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Staminate scales redbrown with broad, white margins, broadly obovate, apex obtuse.
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Perigynia (2–) 5–18, appressed to ascending, white to gold, obovate to orbiculate, 1.9–4.8 × 1.3–2 mm, body conspicuously hirsute or pubescent, at least distal 1/4 (occasionally only proximal to beak);
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beak 0–0.8 mm, style base often conspicuously exserted from beak;
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Achenes obovate to elliptic, 1.5–3.3 × 1.1–1.9 mm.
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