Carex seorsa Howe in H. C. Gordinier and E. C. Howe (Q561)
Carex seorsa is a taxon with the rank species within the section Carex sect. Stellulatae
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| English |
Carex seorsa Howe in H. C. Gordinier and E. C. Howe
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Carex seorsa is a taxon with the rank species within the section Carex sect. Stellulatae
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Statements
taxon/id/Carex seorsa Howe
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Carex seorsa Howe
Carex seorsa
Howe
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-ON
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Newmaster, S.G. & S. Ragupathy. 2005. Flora Ontario - Integrated Botanical Information System (FOIBIS), Phase I. University of Guelph, Canada. http://www.uoguelph.ca/foibis http://www.uoguelph.ca/foibis/
CA-ON
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US-AL
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US-AR
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US-CT
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US-DE
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US-DC
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US-FL
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US-GA
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US-IN
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US-KY
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US-MD
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US-MA
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US-MI
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US-MS
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US-NH
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US-NJ
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US-NY
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US-NC
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US-OH
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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-VA
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Leaves 2–4 per culm;
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sheaths with inner band hyaline, 3.5–12 cm, apex deeply concave, glabrous;
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ligules 1.7–7 mm, apex acute or often emarginate;
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blades plicate to flat, 9–50 cm × 0.8–3.9 mm, widest leaf 2.1–3.9 mm wide.
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Inflorescences 1.8–7 cm;
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lateral spikes pistillate often with few staminate flowers proximally, 2.8–10.8 mm, sessile, staminate portion (0–) 1–6-flowered, (0–) 0.8–4.6 mm, pistillate portion 4–25-flowered, 2–7.6 mm;
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basal 2 spikes 5–27 mm apart;
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terminal spike gynecadrous, 4.7–16.5 mm, staminate portion 3–13-flowered, 1.8–12.7 × 0.9–2.1 mm, pistillate portion 6–23-flowered, 2.8–7.3 × 4.4–6 mm.
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Pistillate scales ovate, 1.2–2.2 × 1–1.6 mm, apex acute.
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Staminate scales ovate, 1.7–3.3 × 1–1.4 mm, apex acute.
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Anthers 1–1.9 mm.
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Perigynia spreading to reflexed, green, 6–14-veined abaxially, 0–6-veined adaxially over achene, elliptic to elliptic-ovate, 1.8–2.9 × 1–1.9 mm, 1.2–2.1 times as long as wide;
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beak 0.2–0.6 mm, 0.09–0.33 length of body, smooth.
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Achenes ovate to orbiculate, 1.2–1.6 × 0.85–1.4 mm.
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0.09 length of body
0.33 length of body
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