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Quill Sedge

Carex tenera Dewey

Description

provided by eFloras
Plants densely cespitose. Culms often nodding, 20–90 cm, vegetative culms inconspicuous with few leaves clustered at apex. Leaves: sheaths abaxially hyaline, adaxially whitish mottled, summits U-shaped, shortly prolonged less than 2.8 mm beyond collar, smooth or sometimes papillose (at 30X); distal ligules 1–2 mm; blades 3–5 per fertile culm, 15–35 cm × 1.3–2.5(–3) mm. Inflorescences often flexible and nodding, open, with elongate spikes, brown, (2–)2.5–5 cm × 7–10 mm; proximal internode (4–)7–17(–20) mm; 2d internode (3–)6–10 mm; proximal bracts scalelike or to 1(–4) cm; rachis usually thin and wiry. Spikes 3–8, distant or loosely aggregated, ovoid to globose, 4–10 × 3.5–6 mm, base tapered or clavate, apex rounded. Pistillate scales white-hyaline or pale brown with green to brown midstripe not reaching scale tip, proximal scales ovate, 2.3–3.3 mm, shorter by 0–1.6 mm and narrower than perigynia, apex obtuse on proximal scales, acute on distal. Perigynia erect to ascending, brown, conspicuously 5–7-veined abaxially, veinless or faintly 3–7-veined adaxially, ovate to broadly ovate, plano-convex, 2.8–4(–4.5) × 1.4–1.9(–2) mm, 0.4–0.5 mm thick, 2–2.3 times as long as wide, margin flat, including wing 0.1–0.5 mm wide, ciliate-serrulate at least distally; beak spreading, appressed or ascending; straw colored to reddish brown at tip, flat, ± ciliate-serrulate, abaxial suture inconspicuous, distance from beak tip to achene 1.3–2.7 mm. Achenes ovate, 1.3–1.7 × 0.85–1.1 mm, 0.5 mm thick. 2n = 52, 54, 56.
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Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of North America Vol. 23: 370, 371 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 tenera Dewey, Am. Jour. Sei. 8: 97 1824; 9: pi. C, f. 9. 1825.
Carex slraminea var. intermedia Gay, Ann. Sci. Nat. II. 10: 364. 1838. (Regarded as technically
based on C. tenera Dewey.) Diemisia tenera Raf. Good Book 27. 1840. (Based on Carex lenera Dewey.) Carex festucacea var. tenera Carey, in A. Gray, Man. 545. 1848. (Based on C. tenera Dewey.) Carex slraminea var. moniliformis Tuckerm. Enum. Caric. 17. 1843. (Mostly based on C. tenera
Dewey; no type otherwise given.) Carex slraminea var. lenera Boott, III. Carex 120. pi. 384. 1862. (Based on C. tenera Dewey.) Carex slraminea var. (no. 2) Bock. Linnaea 39: 117. 1875. (Based on C. lenera Dewey.) "Career moniliformis Britton, Cat. PI. N. J. 278. 1890. (Technically based on C. slraminea var.
moniliformis Tuckerm.) Carex slraminea var. echinodes Fernald, Proc. Am. Acad. 37: 474. pi. 2,f. 30. 1902. Carex slraminea f. echinodes "Fernald" Kiikenth. in Engler, Pflanzenreich 4 20 : 206. 1909. (Based
on C. slraminea var. echinodes Fernald.) Carex festucacea var. echinodes Farwell, Papers Mich. Acad. 2:17. 1923. (Based on C. slraminea
var. echinodes Fernald.) Carex tenera var. echinodes Wiegand, Rhodora 26: 2. 1924. (Based on C. slraminea var. echinodes
Fernald.)
Densely cespitose, from very short, black, fibrillose rootstocks, the culms slender, erect, often nodding, 3-7.5 dm. high, sharply triangular and roughened on angles above, much exceeding leaves, dark-brown or blackish at base, the lower nodes not exposed, conspicuously clothed at base with the dried-up leaves of the previous year, the lowest bladeless; leaves with well-developed blades 3-5 to a fertile culm, on lower third, but not bunched, the blades flat, usually 7.5-30 cm. long, 1.5-2.5 mm. wide, the sheaths tight, obscurely septate-nodulose, conspicuously hyaline ventrally and short-prolonged beyond base of blade and continuous with ligule; inflorescence of 4—8 spikes, more or less strongly moniliform, 2.5-5 cm. long, the spikes ovoid, gynaecandrous, rounded at apex, 6-10 mm. long, 4.5-6 mm. wide, with 10-20 appressed or ascending perigynia above, the tips ascending or spreading, rounded and with few staminate flowers at base (except in terminal spike) ; lowest bract short, setaceous, the upper scale-like; scales ovate, acute, greenish-hyaline or tawny-tinged, with 3-nervexl green center, narrower and shorter than perigynia; perigynia plano-convex, green or in age straw-colored, ovate, 3.5-4.5 mm. long, 1.5-1.8 mm. wide, the body suborbicular, firm, thick, membranaceous, winged to base, serrulate to middle, strongly about 5-7-nerved dorsally over achene with an additional nerve in both margins and similarly but less strongly nerved ventrally, sessile, rounded at base, contracted into a beak half the length of the body, tawny-tipped, obliquely cut dorsally, at length bidentulate, flattened to apex and strongly serrulate; achenes broadly ovoid, lenticular, 1.25 mm. long, 1 mm. wide, light-brown, substipitatc, apiculate; style slender, straight, jointed with achene, at length deciduous; stigmas two, slender, rather short, light-reddish-brown.
Type locality: "Grows in moist meadows" (in western Massachusetts, where the author resided). In Dewey's herbarium, a specimen from Saddle Mountain, near Williamstown, is marked "original."
Distribution: In dry soil, open woodlands and thickets, Quebec to Alberta, and southward to District of Columbia, Illinois, and North Carolina (in the mountains). (Specimens examined from Quebec, New Brunswick, Maine, New Hampshire, Vermont, Massachusetts, Connecticut, New York, New Jersey, Pennsylvania, Maryland, District of Columbia, North Carolina, Ontario, Ohio, Michigan, Indiana, Wisconsin. Illinois, Minnesota, Iowa, Missouri, South Dakota, North Dakota, Manitoba, Saskatchewan, Alberta, Montana.)
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bibliographic citation
Kenneth Kent Mackenzie. 1931. (POALES); CYPERACEAE; CARICEAE. North American flora. vol 18(3). New York Botanical Garden, New York, NY
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North American Flora

Carex tenera

provided by wikipedia EN

Carex tenera, known as quill sedge,[3] is a species of sedge native to the northern United States and Canada.[3][4]

Two varieties are recognized in Flora of North America:[4]

  • C. tenera var. tenera
  • C. tenera var. echinodes (= Carex echinodes (Fernald) P.Rothr., Reznicek & Hipp)[2]

References

  1. ^ "Carex tenera Dewey". ipni.org. International Plant Names Index. Retrieved 2018-09-27.
  2. ^ a b "Carex tenera Dewey". Plants of the World Online. Royal Botanical Gardens Kew. Retrieved 2018-09-27.
  3. ^ a b USDA, NRCS (n.d.). "Carex tenera Dewey". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 2018-09-27.
  4. ^ a b Flora of North America Editorial Committee, ed. (2002). "Carex tenera". Flora of North America North of Mexico (FNA). Vol. 23. New York and Oxford. Retrieved 2018-09-27 – via eFloras.org, Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
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Carex tenera: Brief Summary

provided by wikipedia EN

Carex tenera, known as quill sedge, is a species of sedge native to the northern United States and Canada.

Two varieties are recognized in Flora of North America:

C. tenera var. tenera C. tenera var. echinodes (= Carex echinodes (Fernald) P.Rothr., Reznicek & Hipp)
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