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Cattail Sedge

Carex typhina Michx.

Comments

provided by eFloras
Carex × deamii F. J. Hermann is a sterile hybrid described as a cross between C. shortiana Dewey and C. typhina (F. J. Hermann 1938). See comments under 407. C. shortiana.
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Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of North America Vol. 23: 516, 518, 519, 520 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
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Description

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Plants cespitose, short-rhizomatous. Culms 30–80 cm. Leaves 3.9–8.7 mm wide, glabrous. Spikes (1–)2–4(–6), erect; lateral spikes usually pistillate; terminal spike gynecandrous; staminate portion 4–11 × 1–3.5 mm; pistillate portion oblong to elliptic, 10–43 × 10–16 mm. Pistillate scales 2.3–5.5 × 1.2–1.7 mm, apex acute, sharp or blunt, hidden by perigynia. Staminate scales 4.2–5.8 × 1.4–2 mm, apex acute, sharp or blunt. Perigynia appressed-ascending, the proximal not reflexed, 5.5–7.8 × 2–3 mm, smooth; beak 2.3–2.9 mm, often sparingly scabrous. Achenes sides often concave, 2–2.6 × 1.4–1.7 mm, 1.2–1.9 times as long as wide; style deciduous, straight.
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Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of North America Vol. 23: 516, 518, 519, 520 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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Distribution

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Ont., Que.; Ark., Conn., Del., D.C., Ga., Ill., Ind., Iowa, Ky., La., Maine, Md., Mass., Mich., Minn., Miss., Mo., N.J., N.Y., N.C., Ohio, Pa., S.C., Tenn., Tex., Vt., Va., W.Va., Wis.
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Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of North America Vol. 23: 516, 518, 519, 520 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
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: 516, 518, 519, 520 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
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Flora of North America @ eFloras.org
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Habitat

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Wet woods; 0–1000m.
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Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of North America Vol. 23: 516, 518, 519, 520 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
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Flora of North America @ eFloras.org
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Synonym

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Carex typhinoides Schweinitz
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Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of North America Vol. 23: 516, 518, 519, 520 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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Comprehensive Description

provided by North American Flora
Carex typhina Michx. Fl. Bor. Am. 2: 169. 1803
Carex squarrosa var. typhina Nutt. Gen. 2: 204. 1818. (Based on C. typhina Michx.) Carex typhinoides Schw. Ann. Lye. N. Y. 1: 66. 1824. (Type from North Carolina.) Carex squarrosa var. typhinoides Dewey, Am. Jour. Sci. 11: 316. 1826. (Based on C. typhinoides
Schw.) "Carex squarrosa L." Boott, 111. Carex 95. pi. 280, 281, in part. 1860.
Cespitose, the rootstock short, thick, stout, blackish, the clumps large, the culms 3-9 dm. high, erect, much exceeded by the upper leaves, aphyllopodic, stoutish, sharply triangular with flat or concave sides, usually very rough on the angles above, brownish at base, the dried-up leaves of the previous year few; sterile shoots very leafy; leaves with well-developed blades 4—9 to a fertile culm, regularly disposed and not clustered at the base, the blades flat with revolute margins, usually 2-4 dm. long, 3.5-10 mm. wide, thin but firm, light-green or yellowish-green, very rough on the margins and towards the apex, the sheaths rather loose, or sometimes tight, brownish-hyaline ventrally, concave at mouth, the ligule much longer than wide; spikes 1-6, mostly 3, slightly tapering to the conical apex, contiguour or somewhat separate, the lower fourth or fifth of the terminal one staminate, the rest pistillate, the uppermost scales usually sterile, the staminate scales lanceolate or ovate-lanceolate, mostly obtuse, light-reddish-brown with lighter or greenish 3-nerved center and hyaline margins, the upper reflexed in a rosette against the perigynia; pistillate portion of terminal spike oblong-cylindric, 2-4.5 cm. long, 8-16 mm. wide, the lateral spikes somewhat shorter, ere^t, usually strongly peduncled, the peduncles slender, rough, the spikes very densely flowered, the numerous perigynia in many rows, the beaks mostly appressed-ascending, the bodies squarrose; bracts of lateral spikes leaflike, exceeding the inflorescence, little sheathing; pistillate scales lanceolate, mostly obtusish at maturity, light-brownish-hyaline with conspicuous 3-nerved center, narrower than and about the length of the body of the perigynium; perigynia with broadly obovoid cuneate body, 4-5 mm. long, about 3 mm. wide, inflated and suborbicular in cross-section, subcoriaceous, greenish, straw-colored or brownish at maturity, strongly several-ribbed above, glabrous, round-tapering and short-stipitate at base, truncate-depressed above and very abruptly slenderly conic-beaked, the beak 2.5-3.5 mm. long, very sparingly serrulate, reddish-browntipped, the slender teeth erect, stiff, 0.25 mm. long; achenes obovoid, 2.5 mm. long, 1.5 mm. wide, loosely enveloped, triangular with concave sides and blunt angles, substipitate, tapering at base, blackish with small superficial cells, minutely granular, contracted into and continuous with the slender, persistent, greenish style straight below or bent at apex; stigmas 3, slender, light-reddish-brown, rather short.
Type locality: "Hab. in regione Illinoensi."
Distribution: Rich alluvial woods, in calcareous districts, western Quebec and western New England, westward to Wisconsin and Iowa, and southward to Georgia and Louisiana. (Specimens examined from Quebec, Vermont, Massachusetts, Connecticut, New York, New Jersey, Pennsylvania, Delaware, Maryland, District of Columbia, Virginia, North Carolina, South Carolina, Ohio, Indiana, Kentucky, Wisconsin, Illinois, Iowa, Missouri, Arkansas, Louisiana.)
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bibliographic citation
Kenneth Kent Mackenzie. 1935. (POALES); CYPERACEAE; CARICEAE. North American flora. vol 18(7). New York Botanical Garden, New York, NY
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North American Flora

Carex typhina

provided by wikipedia EN

Carex typhina, common name cattail sedge, is a species of Carex native to North America.

Conservation status

It is listed as a special concern species in Connecticut,[1] as possibly extirpated in Maine, as threatened in Massachusetts, Michigan, and New York (state), and as endangered in Pennsylvania.[2]

References

  1. ^ "Connecticut's Endangered, Threatened and Special Concern Species 2015". State of Connecticut Department of Energy and Environmental Protection Bureau of Natural Resources. Retrieved 1 February 2018. (Note: This list is newer than the one used by plants.usda.gov and is more up-to-date.)
  2. ^ https://plants.usda.gov/core/profile?symbol=caty, accessed March 12, 2019
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Carex typhina: Brief Summary

provided by wikipedia EN

Carex typhina, common name cattail sedge, is a species of Carex native to North America.

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