Carex platyphylla J. Carey (Q112)
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Carex platyphylla is a taxon with the rank species within the section Carex sect. Careyanae
| Language | Label | Description | Also known as |
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| English |
Carex platyphylla J. Carey
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Carex platyphylla is a taxon with the rank species within the section Carex sect. Careyanae
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Statements
taxon/id/Carex platyphylla J. Carey
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Carex platyphylla J. Carey
Carex platyphylla
J. Carey
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-QC
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Marie-Victorin, Fr. 1995. Flore laurentienne. 3e éd. Mise à jour et annotée par L. Brouillet, S.G. Hay, I. Goulet, M. Blondeau, J. Cayouette et J. Labrecque. Gaétan Morin éditeur. 1093 pp.
CA-NB
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CA-NB
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CA-ON
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CA-QC
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US-CT
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US-DE
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US-DC
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US-IN
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US-KY
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US-ME
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US-MD
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US-MA
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US-MI
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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-TN
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US-VT
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US-VA
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US-WV
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US-WI
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100–1100 m
100 meter
1,100 meter
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Plants densely cespitose.
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Culms lateral, ascending, lax, or decumbent, very slender, 14–38 cm × 0.2–0.5 mm.
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Leaves: basal sheaths white or light-brown;
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sheaths green, lighter to white at base, 1–22 mm;
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blades erect, ascending, or lax, grayish blue-green, midrib strongly developed, 2 lateral-veins developed, 5–22 cm × (7–) 11–28 mm, older leaves shriveling or dead at tips.
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Inflorescences: spikes (2–) 3 (–4) per culm, scattered;
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peduncles of pistillate spikes exserted 0–2.2 cm;
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of staminate spikes 0.1–0.8 cm;
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Pistillate spikes: the proximal basal, erect, 6–16 × 2.8–3.8 mm.
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Staminate spike 1, linear-clavate, 6–14 × 2–4 mm.
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Pistillate scales keeled, 3–6 × 1.8–2.2 mm, midribs green, margins hyaline or brown tinged outward, apex apicluate or aristate, awn to 2 mm.
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Staminate scales obovate, 2.7–5 × 1.8–2.2 mm, midribs green, margins hyaline and brownish to purple-tinged outward, apex obtuse to acute.
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Anthers 3.3–4 mm.
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Perigynia 2–9 per spike, overlapping, ascending, finely many-veined, obovoid, 3–3.2 × 1.8–2 mm;
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beak short curved.
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Achenes ovoid, 2.8–3 × 1.6–1.8 mm, slightly concave at maturity, tightly fitting in perigynia.
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2n = 68, 70, n = 32 + (3), 33 + (3), 33 + (4).
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hyaline and brownish
purple-tinged
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