Cyperus esculentus Linnaeus (Q3253)
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Cyperus esculentus is a taxon with the rank species within the subgenus Cyperus subg. Juncellus
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| English |
Cyperus esculentus Linnaeus
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Cyperus esculentus is a taxon with the rank species within the subgenus Cyperus subg. Juncellus
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Statements
taxon/id/Cyperus esculentus Linnaeus
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Cyperus esculentus Linnaeus
Cyperus esculentus
Linnaeus
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-NB
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CA-ON
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CA-QC
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US-AL
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US-AZ
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US-AR
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US-CA
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US-CO
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US-CT
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US-DC
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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-KS
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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-NC
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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-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-SD
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US-TN
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US-TX
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US-UT
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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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Herbs, perennial, stoloniferous;
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stolons soft, spongy, flexible when dried, 2–8 (–15) cm, bearing tubers (3–) 6–11 mm diam.
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Culms trigonous, 15–60 (–100) cm × 0.6–3.4 mm, glabrous.
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Leaves 3–7, flat to V-shaped or flanged V-shaped, (6–) 20–40 (–80) cm × 2–4 (–6.5) mm.
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Inflorescences: spikes broadly ellipsoid to ovoid or hemispheric, (12–) 18–30 × (12–) 18–35 mm;
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rays 4–10, (0.3–) 2–12 cm;
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bracts (3–) 4–5 (–7), ± horizontal to ascending at 45 (–75) °, V-shaped to flanged V-shaped, (1.5–) 5–30 cm × 0.5–4 mm;
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rachilla persistent, wings hyaline, 0.3–0.5 mm wide.
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Spikelets (3–) 10–20 (–28), divaricate or ascending, yellowish-brown to dark-brown, linear to linear-lanceoloid, compressed-quadrangular, (5–) 10–20 (–55) × (1.2–) 1.4–2 (–3) mm;
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floral scales persistent, 6–34, spreading or appressed, ovatelanceolate, laterally 7–9-ribbed, laterally yellowish-brown to dark-brown medially brownish, reddish, or greenish, ovate, or ovate-deltate, medially 3-ribbed, 1.8–2.7 (–3.4) × (1–) 1.5–1.8 (–2.4) mm, apex acute or subacute.
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Flowers: anthers (1–) 1.2–1.5 (–2.1) mm;
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styles (0.7–) 1–1.2 (–2.2) mm;
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stigmas (1.2–) 1.8–2.3 (–4) mm.
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Achenes (seldom maturing) brown, sessile, ellipsoid, (1.1–) 1.3–1.5 (–1.6) × 0.3–0.6 (–0.8) mm, apex obtuse, surfaces puncticulate.
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laterally yellowish-brown
dark-brown medially brownish punct reddish or greenish
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laterally yellowish-brown
dark-brown medially brownish punct reddish or greenish
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broadly ellipsoid
ovoid or hemispheric
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