View source for Carex viridula

{{Treatment/ID
|accepted_name=Carex viridula
|accepted_authority=Michaux
|publications={{Treatment/Publication
|title=Fl. Bor.-Amer.
|place=2: 170. 1803
|year=1803
}}
|common_names=Greenish sedge;carex verdâtre
|special_status={{Treatment/ID/Special_status
|code=F
|label=Illustrated
}}
|basionyms=
|synonyms=
|hierarchy=Cyperaceae;Carex;Carex sect. Ceratocystis;Carex viridula
|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. Ceratocystis]]</div><div class="higher-taxon"><small>species</small>[[Carex viridula]]</div></div>
|volume=Volume 23
|mention_page=page 254, 521, 523, 524
|treatment_page=page 526
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>cespitose. <b>Culms</b> straight or arcuate, 2–85 cm. <b>Leaves</b> of flowering stems shorter than to exceeding culms, to 20 cm × 0.8–5.4 mm; ligules on distal cauline leaves usually obsolete (except in 414.b <i>Carex viridula </i>subsp.<i> brachyrrhyncha</i>). <b>Inflorescences</b>: peduncles of terminal staminate spikes 0–28 mm; bracts to 18 cm × 0.6–3.4 mm; inner band of sheaths concave or truncate. <b>Spikes</b>: proximal pistillate spikes 1–8, contiguous or proximal distant, sessile or short-pedunculate, globose to short-cylindric, 4–17.5 × 3–11 mm; terminal staminate spike sessile or pedunculate, 5–25 × 1–3.6 mm. <b>Scales</b>: pistillate scales pale brown to reddish brown, 1.4–3.2 × 0.8–1.7 mm, margins pale, narrow, hyaline; staminate scales reddish brown, lanceolate to ovate, 2.3–5.2 × 0.7–2 mm, margins narrowly pale hyaline, apex obtuse to acuminate. <b>Anthers</b> 0.9–3.1 mm. <b>Perigynia</b> spreading, yellow to dark olive, 1.8–4.2 × 0.8–2 mm, apex gradually or abruptly narrowed; beak straight or reflexed less than 20°, 0.3–2.1 mm, scabrous or smooth. <b>Achenes</b> 1–1.8 × 0.7–1.4 mm.</span><!--

-->{{Treatment/Body
|distribution=Alta.;B.C.;Man.;N.B.;N.S.;N.W.T.;Ont.;P.E.I.;Que.;Sask.;Yukon;Alaska;Calif.;Colo.;Conn.;Idaho;Ill.;Ind.;Maine;Mass.;Mich.;Minn.;Mont.;N.Dak.;N.H.;N.J.;N.Mex.;N.Y.;Nev.;Ohio;Oreg.;Pa.;R.I.;Utah;Vt.;Wash.;Wis.;Wyo.;Europe;Asia;Africa (Morocco).
|discussion=<p>Subspecies 3 (3 in the flora).</p>
|tables=
|references=
}}<!--

--><div class="treatment-key">
==Key==
<div class="treatment-key-group">
  
{| class="wikitable fna-keytable"
|-id=key-0-1
|1
|Proximal perigynia in each spike reflexed; beak of perigynium forming angle greater than 20° with body; staminate spike on peduncle usually more than 4.5 mm; ligules of distal cauline leaves truncate or rounded, usually well-developed.
|[[Carex viridula subsp. brachyrrhyncha|Carex viridula subsp. brachyrrhyncha]]
|-id=key-0-1
|1
|Perigynia spreading, straight (curvature at junction of body and beak less than 25°); staminate spike subsessile to long-pedunculate; ligules of distal cauline leaves usually obsolete.
|[[#key-0-2| > 2]]
|-id=key-0-2
|2
|Perigynia less than 3 mm.
|[[#key-0-3| > 3]]
|-id=key-0-2
|2
|Perigynia 3 mm or greater.
|[[#key-0-4| > 4]]
|-id=key-0-3
|3
|Leaves thickened, somewhat succulent, recurved; culms less than 5 cm; staminate spike less than 6.5 mm; coastal areas of Newfoundland and Briar Island, Nova Scotia.
|[[Carex viridula subsp. brachyrrhyncha|Carex viridula subsp. brachyrrhyncha]]
|-id=key-0-3
|3
|Leaves neither thickened nor recurved; culms greater than 5 cm; staminate spike 7+ mm; widespread.
|[[Carex viridula subsp. viridula|Carex viridula subsp. viridula]]
|-id=key-0-4
|4
|Proximal pistillate spike remote, often nearly basal; perigynia and foliage often olive or dark green; culms often arcuate or sinuous; staminate spikes on peduncles 3–28 mm.
|[[Carex viridula subsp. oedocarpa|Carex viridula subsp. oedocarpa]]
|-id=key-0-4
|4
|Pistillate spikes contiguous or aggregated; foliage grayish or light green; perigynia grayish green to yellowish green; culms erect; staminate spikes on peduncles to 20 mm.
|[[Carex viridula subsp. viridula|Carex viridula subsp. viridula]]
|}
</div></div><!--

-->{{#Taxon:
name=Carex viridula
|authority=Michaux
|rank=species
|parent rank=section
|synonyms=
|basionyms=
|family=Cyperaceae
|distribution=Alta.;B.C.;Man.;N.B.;N.S.;N.W.T.;Ont.;P.E.I.;Que.;Sask.;Yukon;Alaska;Calif.;Colo.;Conn.;Idaho;Ill.;Ind.;Maine;Mass.;Mich.;Minn.;Mont.;N.Dak.;N.H.;N.J.;N.Mex.;N.Y.;Nev.;Ohio;Oreg.;Pa.;R.I.;Utah;Vt.;Wash.;Wis.;Wyo.;Europe;Asia;Africa (Morocco).
|reference=None
|publication title=Fl. Bor.-Amer.
|publication year=1803
|special status=Illustrated
|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V23/V23_983.xml
|genus=Carex
|section=Carex sect. Ceratocystis
|species=Carex viridula
}}<!--

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[[Category:Treatment]]
[[Category:Carex sect. Ceratocystis]]
[[Category:Revised Since Print]]