View source for Carex scoparia

{{Treatment/ID
|accepted_name=Carex scoparia
|accepted_authority=Schkuhr ex Willdenow
|publications={{Treatment/Publication
|title=Sp. Pl.
|place=4(1): 230. 1805
|year=1805
}}
|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. Ovales;Carex scoparia
|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 scoparia]]</div></div>
|volume=Volume 23
|mention_page=page 335, 336, 341, 360, 368
|treatment_page=page 362
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>densely cespitose. <b>Culms</b> 20–100 cm; vegetative culms with few leaves clustered at apex. <b>Leaves</b>: sheath summits U-shaped; distal ligules 2.3–4.8 mm; blades 3–5 per fertile culm, 10–32 cm × 1.4–3(–3.5) mm. <b>Inflorescences</b> arching or nodding, dense or open, green, yellow, or brown at maturity, 1.5–6 cm × 5–20 mm; proximal internode 2–12 mm; 2d internode 2–13 mm; proximal bracts scalelike, with bristle tip. <b>Spikes</b> 3–10, distinct, ellipsoid, 7–16 × 3–9(–13) mm, base acute to short-attenuate, apex acute to rounded. <b>Pistillate</b> scales hyaline brown, occasionally with green or gold midstripe, lanceolate, 3.4–4 mm, shorter and narrower than perigynia, apex acuminate. <b>Perigynia</b> ascending or rarely widely spreading, golden brown, conspicuously 5-veined on each face or fewer adaxially, winged to base, lanceolate, flat except over achene, 4.2–6.8 × 1.2–2 mm, length at least 3 times width, 0.35–0.55 mm thick, margin flat, including wing 0.2–0.6 mm wide; beak pale to golden-brown at tip, flattish, ciliate-serrulate, abaxial suture with white or golden brown hyaline margin, distance from beak tip to achene 2.2–4.8 mm. <b>Achenes</b> ovate or elliptic, 1.3–1.7 × 0.7–0.9 mm, 0.3–0.4 mm thick.</span><!--

-->{{Treatment/Body
|distribution=Alta.;B.C.;Man.;N.B.;N.S.;Nfld. and Labr. (Nfld.);Ont.;P.E.I.;Que.;Ark.;Calif.;Colo.;Conn.;D.C.;Del.;Ga.;Idaho;Ill.;Ind.;Iowa;Kans.;Ky.;Maine;Mass.;Md.;Mich.;Minn.;Miss.;Mo.;Mont.;N.C.;N.H.;N.J.;N.Y.;Nebr.;Ohio;Okla.;Oreg.;Pa.;R.I.;S.C.;S.Dak.;Tenn.;Va.;Vt.;W.Va.;Wash.;Wis.;introduced into Europe and New Zealand.
|discussion=<p>Varieties 2 (2 in the flora).</p><!--
--><p><i>Carex scoparia</i> is variable and may, in fact, be a complex of at least 2 species. Given current understanding, 2 varieties are recognized:</p>
|tables=
|references=
}}<!--

--><div class="treatment-key">
==Key==
<div class="treatment-key-group">
  
{| class="wikitable fna-keytable"
|-id=key-0-1
|1
|Pistillate scales and perigynium apex golden brown or pale brown, similar in color to perigynium body; perigynia 4.2–6.8 mm, (2.5–)2.8–4 times as long as wide; spikes densely aggregated to distant.
|[[Carex scoparia var. scoparia|Carex scoparia var. scoparia]]
|-id=key-0-1
|1
|Pistillate scales and perigynium apex reddish brown, chestnut, or blackish, contrasting with lighter golden brown perigynium body; perigynia 4.2–5 mm, 2–2.6 times as long as wide; spikes aggregated.
|[[Carex scoparia var. tessellata|Carex scoparia var. tessellata]]
|}
</div></div><!--

-->{{#Taxon:
name=Carex scoparia
|authority=Schkuhr ex Willdenow
|rank=species
|parent rank=section
|synonyms=
|basionyms=
|family=Cyperaceae
|distribution=Alta.;B.C.;Man.;N.B.;N.S.;Nfld. and Labr. (Nfld.);Ont.;P.E.I.;Que.;Ark.;Calif.;Colo.;Conn.;D.C.;Del.;Ga.;Idaho;Ill.;Ind.;Iowa;Kans.;Ky.;Maine;Mass.;Md.;Mich.;Minn.;Miss.;Mo.;Mont.;N.C.;N.H.;N.J.;N.Y.;Nebr.;Ohio;Okla.;Oreg.;Pa.;R.I.;S.C.;S.Dak.;Tenn.;Va.;Vt.;W.Va.;Wash.;Wis.;introduced into Europe and New Zealand.
|reference=None
|publication title=Sp. Pl.
|publication year=1805
|special status=Illustrated;Endemic
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-data-curation.git/src/bb6b7e3a7de7d3b7888a1ad48c7fd8f5c722d8d6/coarse_grained_fna_xml/V23/V23_632.xml
|genus=Carex
|section=Carex sect. Ovales
|species=Carex scoparia
}}<!--

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