Carex petasata Dewey (Q345)
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Carex petasata is a taxon with the rank species within the section Carex sect. Ovales
| Language | Label | Description | Also known as |
|---|---|---|---|
| English |
Carex petasata Dewey
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Carex petasata is a taxon with the rank species within the section Carex sect. Ovales
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Statements
taxon/id/Carex petasata Dewey
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Carex petasata Dewey
Carex petasata
Dewey
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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Klinkenberg, B. (ed.). 2010+. E-Flora BC: Electronic Atlas of the Plants of British Columbia. Lab. for Advanced Spatial Analysis, Department of Geography, University of British Columbia, Vancouver, B.C. http://www.eflora.bc.ca http://www.eflora.bc.ca/
CA-AB
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Packer, J.G. & A.J. Gould. 2017.Vascular Plants of Alberta. Part 1: Ferns, Fern Allies, Gymnospermes, and Monocots. University of Calgary Press, Calgary.
CA-SK
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Harms, V.L. 2006. Annotated catalogue of Saskatchewan vascular plants. http://www.biodiversity.sk.ca/Docs/AnnotatedCatalogueSKVascPlants2006.pdf
CA-YT
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Cody, W.J. 2000. Flora of the Yukon Territory. 2nd ed. National Research Press, Ottawa. 669 pp.
CA-NT
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Cody W., K.L. Reading & J.M. Line. 2003. Additions and range extensions to the vascular flora of the continental Northwest Territories, Canada. Canadian Field-Naturalist 117 (3): 448-465.
CA-AB
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CA-BC
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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-MT
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US-NV
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US-OR
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US-UT
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US-WA
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US-WY
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Plants densely cespitose.
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Leaves: sheaths adaxially white-hyaline, summits U-shaped, prolonged more than 2.8 mm;
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distal ligules 2–5 mm;
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blades (2–) 3–4 per fertile culm, 10–30 (–40) cm × 2–4 (–5) mm.
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Inflorescences open, stiffly erect, green, gold, or pale-brown, (2–) 2.5–4.5 (–6) cm × 9–16 mm;
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proximal internode 4.5–9 mm;
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2d internode (2–) 5–9 (–11) mm;
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proximal bracts scalelike, awn shorter than inflorescences.
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Spikes (3–) 4–7, distant, distinct, fusiform, ovoid, or obovoid, 15–27 × 5.5–9 mm, base tapered to attenuate, apex acute or rounded.
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Pistillate scales whitish green or gold, with greenish to gold midstripe, lanceolate or ovate, 5.8–7.6 mm, ± equaling perigynia, concealing beaks, margin white, 0.2–0.7 mm wide, apex acute to acuminate.
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Staminate scales with white-hyaline margin (0.2–) 0.3–0.7 mm wide.
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Perigynia appressed to ascending, whitish green to brown, conspicuously 10–19-veined abaxially, conspicuously 4–10-veined adaxially, at least 3 adaxially veins longer than achene, lanceolate to ovate, planoconvex, 6–8 × 1.7–2.4 mm, 0.5–0.9 mm thick, margin flat, including wing (0.2–) 0.3–0.5 mm wide, ciliate-serrulate at least distally;
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beak green, redbrown, brown, or gold, white-hyaline at tip, cylindric, unwinged, ± entire to 1 mm or flat, ± ciliate-serrulate, abaxial suture with conspicuous white margin, distance from beak tip to achene (2.8–) 3.2–4.6 mm.
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Achenes elliptic to ovate-elliptic, 2.2–3 × (1.1–) 1.3–1.8 mm, 0.5–0.7 mm thick.
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10-19-veined
conspicuously; abaxially
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4-10-veined
conspicuously; adaxially
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ciliate-serrulate
at-least distally; distally
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ciliate-serrulate
more or less
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