Bolboschoenus maritimus (Linnaeus) Palla in W. D. J. Koch et al. (Q3386)
Bolboschoenus maritimus is a taxon with the rank species within the genus Bolboschoenus
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English |
Bolboschoenus maritimus (Linnaeus) Palla in W. D. J. Koch et al.
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Bolboschoenus maritimus is a taxon with the rank species within the genus Bolboschoenus
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Statements
taxon/id/Bolboschoenus maritimus (Linnaeus) Palla
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Bolboschoenus maritimus (Linnaeus) Palla
Bolboschoenus maritimus
(Linnaeus) Palla
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-NS
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CA-NT
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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-AZ
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US-CA
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US-CO
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US-CT
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US-ID
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US-IL
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US-IA
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US-KS
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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-MO
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US-MT
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US-ND
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US-NH
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US-NJ
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US-NM
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US-NY
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US-NE
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US-NV
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US-OK
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US-OR
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US-RI
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US-TX
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US-UT
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US-WA
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US-WY
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Culms 50–150 cm × (1–) 3–8 mm.
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Leaves: sheaths reaching ± to mid culm, fronts usually membranous at mouth, apex concave to convex, veins diverging proximal to summit leaving triangular, veinless area (often disintegrating);
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widest blade 2–12 mm wide.
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Inflorescences with all spikelets sessile, simply branched with not more than 1/2 of spikelets solitary or in clusters of 2–10 on 1–4 rays, rays not exceeding 8 cm;
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involucral-bracts that surpass inflorescences 1–4, widest bract 1–6 mm wide.
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Spikelets (1–) 2–40, ovoid to lanceoloid, 7–40 × (4–) 7–10 mm, base usually cuneate to rounded;
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scales often loosely imbricate, bright orangebrown to stramineous, often obscurely lineolate-spotted, 5–8 × 3–4 mm, membranous, translucent, apex acute, 2-fid 0.5–1 mm deep, awn slender, 1–3 × 0.25 mm at base.
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Flowers: perianth bristles not persistent on shed achenes or sometimes 1–few weakly persistent, medium brown, to 1/2 achene length;
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anthers yellow, very rarely orange, 2–4 mm;
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Achenes medium to dark-brown, rarely yellowish or whitish, obovoid, biconvex, or concavesided, rarely obtusely compressed trigonous, 2.3–4.1 × 1.9–2.8 mm, apex rounded to nearly truncate, beak 0.1–0.4 mm, surface glossy, exocarp (epidermal) cells usually clearly visible at 10–20X;
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in achene cross-section exocarp 2 times as thick as mesocarp, its cells greatly enlarged, at least 3 times deeper than wide;
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achene specific gravity much less than water.
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2 times as thick as mesocarp
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3 times deeper than wide
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