View source for Carex foenea

{{Treatment/ID
|accepted_name=Carex foenea
|accepted_authority=Willdenow
|publications={{Treatment/Publication
|title=Enum. Pl.
|place=2: 957. 1809
|year=1809
}}
|common_names=Carex fourrager
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Carex aenea
|authority=Fernald
}}
|hierarchy=Cyperaceae;Carex;Carex sect. Ovales;Carex foenea
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Cyperaceae]]</div><div class="higher-taxon"><small>genus</small>[[Carex]]</div><div class="higher-taxon"><small>section</small>[[Carex sect. Ovales]]</div><div class="higher-taxon"><small>species</small>[[Carex foenea]]</div></div>
|volume=Volume 23
|mention_page=page 307, 334, 345
|treatment_page=page 357
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>densely cespitose. <b>Culms</b> 20–120 cm. <b>Leaves</b>: sheaths adaxially white-hyaline or green-and-white mottled, papillose, summits U-shaped, shortly prolonged beyond collar; distal ligules 2–3 mm; blades 3–6 per fertile culm, green, without auricles, 8–30 cm × 2–4 mm, pliable. <b>Inflorescences</b> open, usually with widely spaced spikes, flexible, brown or greenish brown, 1.5–8 cm × 7–15 mm; proximal internode 5–25 mm; 2d internode 4–12 mm; proximal bracts scalelike, sometimes bristlelike to 1 cm. <b>Spikes</b> 3–7(–11), usually distant, oblong to ellipsoid, 7–25 × 5–7 mm, base clavate to attenuate, apex usually rounded. <b>Pistillate</b> scales usually reddish brown, or green or gold in shade forms, with 3-veined green or brown midstripe, ovate, 4–5 mm, equaling, ± covering perigynia, apex acute to acuminate. <b>Perigynia</b> erect-ascending, green or brown, conspicuously 4–9-veined abaxially, veinless or conspicuously unequally 4–8-veined adaxially, ovate, plano-convex or concavo-convex, 3.3–5 × (1.5–)1.7–2.5 mm, 0.6–0.8 mm thick, margin flat, including wing 0.2–0.4 mm wide, smooth or ciliate-serrulate at least on distal body; beak white or brown, white margin at tip, flat, ± ciliate-serrulate, abaxial suture inconspicuous or with white margin, distance from beak tip to achene (1.4–)1.7–2.5 mm. <b>Achenes</b> dark brown at maturity, ovoid-orbicular, 1.3–2.1 × 1.2–1.7 mm, 0.5–0.6 mm thick, 1–1.4(–1.5) times as long as wide. <b>2n</b> = 82, 84.</span><!--

-->{{Treatment/Body
|phenology=Fruiting late spring–early summer.
|habitat=Dry to moist, acidic sands, gravels, open disturbed places, grasslands, open woods
|elevation=10–1000 m
|distribution=Alta.;B.C.;Man.;N.B.;Nfld. and Labr.;N.W.T.;N.S.;Ont.;P.E.I.;Que.;Sask.;Yukon;Alaska;Conn.;Maine;Mass.;Mich.;Minn.;Mont.;N.H.;N.Y.;N.Dak.;Pa.;R.I.;S.Dak.;Vt.;Wis.
|discussion=<p>The distinction between <i>Carex foenea</i> and <i>C. argyrantha</i> has been obscured by emphasis on the presence or absence of veination on the adaxial face of the perigynium. In <i>C. foenea</i>, the adaxial face is typically veinless or has a few veins not reaching the middle of the body, though at times the adaxial veins are about as strong as those of <i>C. argyrantha</i>. However, the veins of <i>C. argyrantha</i> appear ± straight and parallel to each other compared to the curving veins of <i>C. foenea</i>. In addition to characters cited in the key, <i>C. foenea</i> has more spreading perigynia and, at maturity, strongly brown-colored pistillate scales and perigynia. The name <i>C. foenea</i> has been applied often in recent literature to <i>C. siccata</i>, a very different species with long-creeping rhizomes.</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Carex foenea
|author=
|authority=Willdenow
|rank=species
|parent rank=section
|synonyms=Carex aenea
|basionyms=
|family=Cyperaceae
|phenology=Fruiting late spring–early summer.
|habitat=Dry to moist, acidic sands, gravels, open disturbed places, grasslands, open woods
|elevation=10–1000 m
|distribution=Alta.;B.C.;Man.;N.B.;Nfld. and Labr.;N.W.T.;N.S.;Ont.;P.E.I.;Que.;Sask.;Yukon;Alaska;Conn.;Maine;Mass.;Mich.;Minn.;Mont.;N.H.;N.Y.;N.Dak.;Pa.;R.I.;S.Dak.;Vt.;Wis.
|reference=None
|publication title=Enum. Pl.
|publication year=1809
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V23/V23_621.xml
|genus=Carex
|section=Carex sect. Ovales
|species=Carex foenea
}}<!--

-->[[Category:Treatment]][[Category:Carex sect. Ovales]]