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Pale Sedge

Carex pallescens L.

Associations

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In Great Britain and/or Ireland:
Foodplant / parasite
sorus of Anthracoidea caricis parasitises live ovary of Carex pallescens

Foodplant / parasite
embedded sorus of Anthracoidea pseudirregularis parasitises live ovary of Carex pallescens
Other: sole host/prey

Foodplant / miner
larva of Cerodontha staryi mines leaf of Carex pallescens

Foodplant / saprobe
subsessile, swarming apothecium of Pezizella incerta is saprobic on dead leaf of Carex pallescens
Remarks: season: 7-11

Foodplant / parasite
telium of Puccinia urticata var. biporula parasitises live Carex pallescens

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Description

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Culms 20–80 cm, pilose. Leaves: sheaths pilose; ligules longer than wide; blades 2–3 mm wide, pilose abaxially. Inflorescences: lateral spikes approximate or proximal distant, 5–20 × 4.5–7 mm; terminal spike staminate, 5–30 × 1–2.5 mm. Pistillate scales ovate, 2.2–3.2 × 1.1–1.5 mm, 2 times as long as wide, apex of proximal cuspidate, apex of distal acute or acuminate, as long as perigynia. Staminate scales oblong-obovate, 2.7–4.2 mm, apex acute or mucronate. Anthers 1.4–2.8 mm. Perigynia ascending or somewhat spreading, weakly 14–20-veined, elliptic-oblong, 2.3–3 × 1.1–1.5 mm, glabrous; beak absent. Achenes 1.8–2 × 1–1.2 mm. 2n = 70.
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Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of North America Vol. 23: 459, 482, 483, 485 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
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Flora of North America @ eFloras.org
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Distribution

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St. Pierre and Miquelon; N.B., Nfld. and Labr., N.S., Ont., Que.; Conn., Maine, Mass., Mich., Minn., N.H., N.J., N.Y., Ohio, Pa., R.I., Vt.; Eurasia; introduced New Zealand.
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cc-by-nc-sa-3.0
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Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of North America Vol. 23: 459, 482, 483, 485 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
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Flora of North America @ eFloras.org
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Flora of North America Editorial Committee
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eFloras.org
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Flowering/Fruiting

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Fruiting summer.
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Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of North America Vol. 23: 459, 482, 483, 485 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of North America @ eFloras.org
editor
Flora of North America Editorial Committee
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eFloras.org
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Habitat

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Meadows, open slopes; 0–500m.
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Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of North America Vol. 23: 459, 482, 483, 485 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of North America @ eFloras.org
editor
Flora of North America Editorial Committee
project
eFloras.org
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eFloras

Comprehensive Description

provided by North American Flora
Carex pallescens L. Sp. PI. 977. 1753
Carex pallida Salisb. Prodr. 29. 1796. (Type from England.)
Trasus pallescens S. F. Gray, Nat. Arr. Brit. PI. 2: 89. 1821. (Based on Carex pallescens L.)
Carex undulata Kunze, Suppl. Riedgr. 23. pi. 4,f. 2. 1840. (Type from Lapland.)
Carex pallescens var. cylindrica Peterm. Anal. Pfl. 506. 1846. (Type from Germany.)
Carex pallescens var. undulata Reichenb. Ic. Fl. Germ. 8: 22. pi. 251, f. 618. 1846. (Based on C.
undulata Kunze.) Carex pallescens var. undulata Carey, in A. Gray, Man. 552. 1848. (Based on C. undulata Kunze.) Carex pallescens var. glaberrima K. Koch, Linnaea 21: 612. 1848. (Type from southwestern Asia.) Carex pallescens var. alpestris Schur, Enum. PI. Transsilv. 714. 1866. (Type from Transsylvania.) Carex leucantha Schur, Enum. PI. Transsilv. 714. 1866. (Type from Transsylvania.) Not C.
leucantha Arn. 1846. Carex pallescens var. leucostachya Schur, Enum. PI. Transsilv. 714. 1866. (As synonym of C.
leucantha Schur.) Carex punctata X pallescens Briigger, Jahresb. Nat. Ges. Graubiind. 23-24: 120. 1881. (Type
from Germany.) Carex sylvalica X pallescens Briigger, Jahresb. Nat. Ges. Graubiind. 23-24: 120. 1881. (Type from
Switzerland.) Carex pallescens var. typica G. Beck, Fl. Nieder-Oesterr. 140. 1890. (Based on C. pallescens L.) Carex pallescens var. subglabra G. Beck, Fl. Nieder-Oesterr. 140. 1890. (Type from Austria.) Carex microstotna Franch. Bull. Soc. Philom. VIII. 7: 48. 1895. (Type from China.) Carex tymphaea Formanek, Verh. Nat. Ver. Briinn 34: 279. 1896. (Type from central Europe.) Carex pallescens var. brevibracteata Neuman, Sv. Fl. 702. 1901. (Type from Scandinavia.) Carex pallescens var. pygmaea Lackowitz; Asch. & Retzd. Verh. Bot. Ver. Prov. Brand. 44: 165.
1902. (Name only; type from Berlin, Germany.) Carex pallescens f. elatior Asch. & Graebn. Syn. Mitteleur. Fl. 2 2 : 145. 1903. (Type from central
Europe.) Carex pallescens var. leucantha Asch. & Graebn. Syn. Mitteleur. Fl. 2 2 : 146. 1903. (Based on C.
leucantha Schur.) Carex pallescens f. pygmaea "Lackowitz" Kiikenth. in Engler, Pflanzenreich 4 20 : 433. 1909. (Based
on C. pallescens var. pygmaea Lackowitz.) Carex pallescens f. alpestris "Schur" Kiikenth. in Engler, Pflanzenreich 4 20 : 433. 1909. (Based on
C. pallescens var. alpestris Schur.) Carex pallescens f. brevibracteata "Neuman" Kiikenth. in Engler, Pflanzenreich 4 20 : 433. 1909.
(Based on C. alpestris var. brevibracteata Neuman.) Carex pallescens f. cylindrica "Petermann" Kiikenth. in Engler, Pflanzenreich 4 20 : 433. 1909.
(Based on C. pallescens var. cylindrica Peterm.) Carex pallescens f. glaberrima "K. Koch" Kiikenth. in Engler, Pflanzenreich 4 20 : 433. 1909. (Based
on C. pallescens var. glaberrima K. Koch.) Carex pallescens var. subsilvatica Kiikenth. in Engler, Pflanzenreich 4 20 : 433. 1909. (Type from
Switzerland.) Carex pallescens var. luxuriosa Kiikenth. in Engler, Pflanzenreich 4 20 : 433. 1909. (Type from
Germany.)
Cespitose but not very densely, the rootstock short, the stolons very short-ascending, the culms slender, not stiff, erect, 2-6 dm. high, in medium-sized clumps, rather sharply triangular, with slightly concave sides, short-pubescent, rough above, from shorter to longer than the leaves, aphyllopodic, brownish-red-tinged at base; leaves with well-developed blades 2 or 3 to a culm, on lower third, but not bunched, not septate-nodulose, the blades more or less strongly soft-pubescent below, erect-ascending, 8-35 cm. long, 2-3 mm. wide, deep-green, flat with slightly revolute margins, not stiff, the sheaths tight, more or less strongly softpubescent, cinnamon-brown-tinged, deeply concave at mouth, the ligule prominent, longer than wide; uppermost spike staminate, erect, short-peduncled, linear, subclavate, 1-2.5 mm. wide, 5-30 mm. long, the scales oblong-obovate, acute or mucronate, greenish or yellowishbrown; pistillate spikes 2 or 3, short-oblong to oblong-cylindric, 5-20 mm. long, 5-7 mm. wide, closely 15-40-flowered, in several to many rows, erect to spreading, approximate or the lowest somewhat separate, on capillary smooth peduncles varying from very short to 15 mm. long, lowermost bract leaf-like, well-developed and much exceeding the inflorescence, not sheathing or but little so, sometimes undulate at base; uppermost bracts much smaller; scales ovate, the lower cuspidate or acuminate, the upper acute, about as wide as and from a little shorter to a little longer than the perigynia, yellowish-brown or greenish-white with 3-nerved green center; perigynia ascending or somewhat spreading, broadly elliptic, 2.5-3 mm. long, 1.5 mm. wide, orbicular or obscurely triangular in cross-section, membranaceous, greenish or yellowish-green, sessile, minutely puncticulate, rounded at base, abruptly rounded and beakless at apex, glabrous, finely lightly many-nerved; achenes obovoid, loosely enveloped, triangular with concave sides, 1.75-2 mm. long, 1-1.25 mm. wide, substipitate, short-apiculate with straight tip, jointed to the thickish, very short style; stigmas 3, slender, rather short.
Type locality: "Habitat in Europae paludibus."
Distribution: Dry sunny banks and meadows, Newfoundland to Wisconsin, and southward to New Jersey, Pennsylvania, and Illinois; widely distributed in Eurasia. (Specimens examined from Newfoundland, Miquelon, Quebec, Nova Scotia, New Brunswick, Maine, New Hampshire, Vermont, Massachusetts, Rhode Island, Connecticut, New York, New Jersey, Pennsylvania, Ontario, Ohio, Michigan.)
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bibliographic citation
Kenneth Kent Mackenzie. 1935. (POALES); CYPERACEAE; CARICEAE. North American flora. vol 18(6). New York Botanical Garden, New York, NY
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Carex pallescens

provided by wikipedia EN

Carex pallescens, called pale sedge, is a widespread species of flowering plant in the genus Carex, native to the northeastern United States, eastern Canada, Iceland, Europe, Tunisia, and western Asia.[2][3] It has unstable chromosome numbers.[4]

References

  1. ^ Sp. Pl.: 977 (1753)
  2. ^ a b "Carex pallescens L." Plants of the World Online. Board of Trustees of the Royal Botanic Gardens, Kew. 2017. Retrieved 31 December 2020.
  3. ^ "Carex pallescens pale sedge". The Royal Horticultural Society. Retrieved 31 December 2020.
  4. ^ Rotreklová, Olga; Bureš, Petr; Řepka, Radomír; Grulich, Vít; Šmarda, Petr; Hralová, Ivana; Zedek, František; Koutecký, Tomáš (2011). "Chromosome numbers of Carex". Preslia. 83 (1): 25–58. Retrieved 31 December 2020.
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Carex pallescens: Brief Summary

provided by wikipedia EN

Carex pallescens, called pale sedge, is a widespread species of flowering plant in the genus Carex, native to the northeastern United States, eastern Canada, Iceland, Europe, Tunisia, and western Asia. It has unstable chromosome numbers.

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