Carex rossii Boott in W. J. Hooker (Q69)
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Carex rossii is a taxon with the rank species within the section Carex sect. Acrocystis
| Language | Label | Description | Also known as |
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| English |
Carex rossii Boott in W. J. Hooker
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Carex rossii is a taxon with the rank species within the section Carex sect. Acrocystis
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Statements
taxon/id/Carex rossii Boott
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Carex rossii Boott
Carex rossii
Boott
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-MB
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Manitoba Checklist, 2002
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-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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Porsild, A.E. & W.J. Cody. 1980. Vascular Plants of the Continental Northwest Territories, Canada. National Museum of Natural Sciences, Ottawa, Ont. 667 pp.
CA-AB
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CA-BC
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CA-MB
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CA-NT
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CA-ON
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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-MI
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US-MN
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US-MT
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US-NE
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US-NV
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US-NM
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US-OR
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US-SD
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US-UT
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US-WA
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US-WY
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210–3700 m
210 meter
3,700 meter
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Plants densely cespitose;
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rhizomes usually ascending, occasionally horizontally spreading, dark reddish-brown to purplish brown, 0–10 mm, stout.
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Culms ascending, 7–30 (–40) cm, weakly to strongly scabrous distally;
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bases (remnants of old leaves) slightly fibrous.
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Leaf-blades pale to dark green, usually equaling or exceeding stems, occasionally shorter, 0.8–2.5 (–4) mm wide, herbaceous, glabrous abaxially, strongly scabrous to papillose adaxially.
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Inflorescences with both staminate and pistillate spikes;
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peduncles of basal pistillate spikes erect, elongate, slender;
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peduncles of staminate spikes 1.1–10 mm;
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proximal nonbasal bracts leaflike, exceeding inflorescences.
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Spikes: proximal pistillate spikes 2–4 (basal spikes 1–2);
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cauline spikes overlapping or somewhat separated, with 3–10 (–15) perigynia;
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staminate spikes (4.8–) 6–12.8 × (0.7–) 0.9–1.3 (–2.5) mm.
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Scales: pistillate scales pale to dark reddish-brown, with narrow white margins, ovate, 2.9–5.7 × 1.4–2.3 mm, shorter than perigynia, apex acute or acuminate to long-acuminate;
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staminate scales lanceolate, 3.2–5.8 × 1.2–1.8 mm, apex acuminate.
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Anthers 1.2–2 mm.
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Perigynia green to pale-brown, veinless, ellipsoid to obovoid, 3.1–4.5 × 1.4–1.7 mm;
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beak straight or slightly bent, pale green, occasionally with reddish-brown tinge, 0.9–1.7 mm, ciliate-serrulate, apical teeth 0.2–0.4 mm.
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Achenes brown, globose to obovoid or ellipsoid, obtusely trigonous in cross-section, 1.9–2.4 × 1.3–1.7 mm. 2n = 36.
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spreading
occasionally horizontally
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dark reddish-brown
purplish brown
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scabrous
weakly to strongly; distally
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