Comments
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Carex raymondii is a minor variant consisting of specimens with yellow-brown perigynia and light brown scales with midribs lighter in color than the bodies of the scales. The hybrid taxon Carex ×quirponensis Fernald (= C. atratiformis × C. norvegica) is known from Newfoundland and Quebec.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Description
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Plants loosely cespitose. Culms 20–70 cm, distally finely scabrous. Leaves 2.5–5 mm wide. Inflorescences: proximal bracts shorter than or exceeding inflorescences; spikes distinct, spreading or the proximal pendent and often separate, elongate, 10–25 × 5–8 mm; lateral 3–6 spikes pistillate, long-pendunculate; terminal spike gynecandrous. Pistillate scales light to dark brown with hyaline margins, lanceolate, longer than and as broad as perigynia, midvein same color as body, inconspicuous or lighter in color, conspicuous, raised, prominent, sometimes short-mucronate. Perigynia ascending, yellow brown or chestnut, veinless, ovate or elliptic, 2.5–3 × 1.5–1.75 mm, apex abruptly beaked, distally papillose; beak 0.4–0.5 mm, bidentate, smooth. Achenes filling proximal 1/2 or less of perigynia.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Distribution
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Alta., B.C., Man., N.B., Nfld. and Labr., N.W.T., N.S., Ont., Que., Sask., Yukon; Alaska, Maine, Mich., N.H., N.Y., Vt.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Flowering/Fruiting
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Fruiting Jun–Aug.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Habitat
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Forest margins, open woodlands, calcareous ledges, stream banks, lakeshores, wet cliffs, high elevation seeps; 10–1500m.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Synonym
provided by eFloras
Carex ovata Rudge, Trans. Linn. Soc. London 7: 96, plate 9, fig. 1. 1804, not Burman f. 1768; C. atrata Linnaeus subsp. atratiformis (Britton) Kükenthal; C. atratiformis subsp. raymondii (Calder) A. E. Porsild; C. raymondii Calder
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA