View source for Carex aurea

{{Treatment/ID
|accepted_name=Carex aurea
|accepted_authority=Nuttall
|publications={{Treatment/Publication
|title=Gen. N. Amer. Pl.
|place=2: 205. 1818
|year=1818
}}
|common_names=Carex doré
|special_status={{Treatment/ID/Special_status
|code=F
|label=Illustrated
}}{{Treatment/ID/Special_status
|code=E
|label=Endemic
}}
|basionyms=
|synonyms=
|hierarchy=Cyperaceae;Carex;Carex sect. Bicolores;Carex aurea
|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. Bicolores]]</div><div class="higher-taxon"><small>species</small>[[Carex aurea]]</div></div>
|volume=Volume 23
|mention_page=page 424, 426
|treatment_page=page 425
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Culms </b>5–40 cm. <b>Leaves</b>: blades 3–20(–30) cm × 1.4–3 mm. <b>Inflorescences</b>: proximal bracts with well-developed blades exceeding inflorescence sheaths 2–4(–10) mm; lateral spikes with 4–20 perigynia, approximate or proximal distant, lax, 4–20(–30) × 3–5 mm, middle internodes (0.5–)0.7–1.5 mm; terminal spike usually staminate, occasionally gynecandrous, sessile or short-pedunculate, 3–10(–15) × 0.9–2 mm. <b>Pistillate</b> scales brown with paler or green midvein, divergent in mature fruit, ovate to ovate-circular, 1.2–2.5 × 1.1–1.8 mm, apex subacute to obtuse or cuspidate. <b>Proximal</b> staminate scales brown with paler or green midvein and hyaline margins, oblong-ovate, 2–3.5(–4) mm, apex obtuse to subacute. <b>Perigynia</b> divergent, bright orange, somewhat inflated and fleshy when mature, circular-obovate, 2.3–3.2 × 1.2–1.8 mm, smooth or minutely papillose. <b>Achenes</b> subcircular, 1.4–1.8 × 1–1.5 mm. <b>2n</b> = 52.</span><!--

-->{{Treatment/Body
|phenology=Fruiting summer.
|habitat=Moist, open or shaded habitats, especially meadows and seepage slopes, usually on basic soils
|elevation=0–3000 m
|distribution=Alta.;B.C.;Man.;N.B.;Nfld. and Labr. (Nfld.);N.W.T.;N.S.;Ont.;P.E.I.;Que.;Sask.;Yukon;Alaska;Calif.;Colo.;Conn.;Idaho;Ind.;Maine;Mass.;Mich.;Minn.;Mont.;Nebr.;Nev.;N.H.;N.Mex.;N.Y.;N.Dak.;Ohio;Oreg.;R.I.;S.Dak.;Tex.;Utah;Vt.;Wash.;Wis.;Wyo.
|discussion=<p>The orange perigynia of <i>Carex aurea</i> are unique in North American <i>Carex</i>. The color does not develop until the perigynia are fully mature and ready to be shed, hence most herbarium specimens do not show that feature.</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Carex aurea
|authority=Nuttall
|rank=species
|parent rank=section
|synonyms=
|basionyms=
|family=Cyperaceae
|phenology=Fruiting summer.
|habitat=Moist, open or shaded habitats, especially meadows and seepage slopes, usually on basic soils
|elevation=0–3000 m
|distribution=Alta.;B.C.;Man.;N.B.;Nfld. and Labr. (Nfld.);N.W.T.;N.S.;Ont.;P.E.I.;Que.;Sask.;Yukon;Alaska;Calif.;Colo.;Conn.;Idaho;Ind.;Maine;Mass.;Mich.;Minn.;Mont.;Nebr.;Nev.;N.H.;N.Mex.;N.Y.;N.Dak.;Ohio;Oreg.;R.I.;S.Dak.;Tex.;Utah;Vt.;Wash.;Wis.;Wyo.
|reference=None
|publication title=Gen. N. Amer. Pl.
|publication year=1818
|special status=Illustrated;Endemic
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-data-curation.git/src/bb6b7e3a7de7d3b7888a1ad48c7fd8f5c722d8d6/coarse_grained_fna_xml/V23/V23_777.xml
|genus=Carex
|section=Carex sect. Bicolores
|species=Carex aurea
}}<!--

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