Associations
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Foodplant / parasite
telium of Puccinia dioicae var. schoeleriana parasitises live Carex maritima
Comments
provided by eFloras
The inland collections of Carex maritima from Manitoba and Alberta are introductions.
Carex maritima is an extremely widespread and variable species. On exposed headlands, plants can be very tiny in contrast to robust individuals on richer river shores or some inland lakeshores. Very small plants with extremely narrow leaves from coastal regions of Newfoundland have been named C. maritima var. setina, and unusually large plants from the shores of Kluane Lake, Yukon Territory, have been named C. maritima subsp. yukonensis. These are both regarded as environmentally derived, representing two extremes of the variation.
A few specimens from Greenland, Newfoundland, and Quebec appear to be hybrids between Carex maritima and Carex gynocrates (= C. × langeana Fernald). Carex dutillyi O’Neill & Duman, described from Churchill, Manitoba, is probably also a hybrid of the same parentage.
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Description
provided by eFloras
Plants colonial. Culms usually curved, bluntly trigonous, 1–25(–44) cm smooth-angled distally. Leaves: basal sheaths brown to dark brown; ligules 0.3–1.2 mm; blades involute, usually ± equaling culms, 0.5–2 mm wide. Inflorescences 0.5–1.6(–2) cm; spikes ca. (1–)3–7, essentially indistinguishable in dense ovoid to hemispheric head. Pistillate scales pale brown to dark brown, usually with broad whitish hyaline margins, broadly ovate to nearly orbicular, shorter than perigynia, apex obtuse to acute, body shiny, ± translucent. Anthers 1.1–2 mm. Perigynia pale yellowish brown proximally, darker brown on beak and distally, essentially veinless to finely 3–12-veined abaxially, essentially veinless adaxially, ± inflated, ovate to broadly ovate, (3–)3.2–5.1 × (1.4–)1.6–2.3(–2.7) mm, papery or leathery, dull to satiny; stipe 0.2–0.7 mm; beak 0.5–1 mm, scabrous-margined or, occasionally, smooth.
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Distribution
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Greenland; Alta., Man., Nfld. and Labr., N.W.T., Nunavut, Ont., Que., Sask., Yukon; Alaska; South America; Eurasia.
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Distribution
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N. Eurasia and North America, alpine regions of Europe, Central Asia, and perhaps antarctic South America.
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Elevation Range
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4100 m
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Flowering/Fruiting
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Fruiting Jun–Aug.
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Habitat
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Beaches, dunes, fresh alluvium, rocky or mineral-rich soils of lake, river, and ocean shores, seepy slopes, fens, rock barrens, mostly near the coasts; 0–900m.
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Synonym
provided by eFloras
Carex incurva Lightfoot; C. maritima var. setina (H. Christ ex Scheutz) Fernald; C. maritima subsp. yukonensis A. E. Porsild
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Carex maritima
provided by wikipedia EN
Carex maritima, called the curved sedge, is a species of flowering plant in the genus Carex, with a bipolar distribution in mountains and cold regions.[2][3] It dispersed in the Pleistocene from the northern to the southern hemisphere.[4]
References
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^ Fl. Norveg. 2: 131 (1776)
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^ a b "Carex maritima Gunnerus". Plants of the World Online. Board of Trustees of the Royal Botanic Gardens, Kew. 2017. Retrieved 21 January 2021.
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^ "Carex maritima Gunnerus curved sedge". The Royal Horticultural Society. Retrieved 21 January 2021.
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^ Villaverde, Tamara; Escudero, Marcial; Luceño, Modesto; Martín-Bravo, Santiago (2015). "Long-distance dispersal during the middle-late Pleistocene explains the bipolar disjunction of Carex maritima (Cyperaceae)". Journal of Biogeography. 42 (10): 1820–1831. doi:10.1111/jbi.12559. hdl:10261/168322.
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Carex maritima: Brief Summary
provided by wikipedia EN
Carex maritima, called the curved sedge, is a species of flowering plant in the genus Carex, with a bipolar distribution in mountains and cold regions. It dispersed in the Pleistocene from the northern to the southern hemisphere.
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