View source for Carex amphibola

{{Treatment/ID
|accepted_name=Carex amphibola
|accepted_authority=Steudel
|publications={{Treatment/Publication
|title=Syn. Pl. Glumac.
|place=2: 234. 1855
|year=1855
}}
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Carex grisea var. amphibola
|authority=(Steudel) Kükenthal
}}
|hierarchy=Cyperaceae;Carex;Carex sect. Griseae;Carex amphibola
|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. Griseae]]</div><div class="higher-taxon"><small>species</small>[[Carex amphibola]]</div></div>
|volume=Volume 23
|mention_page=page 460
|treatment_page=
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>densely cespitose; rhizo1me internodes 1.2–2 mm thick. <b>Culms</b> dark purple-red to 0.3–2.4(–7.3) cm high or very rarely brown at base, 15–80 cm. <b>Leaves</b>: sheaths glabrous; blades green, widest blades (3.7–)4.4–7 mm wide, smooth abaxially. <b>Inflorescences</b> 0.48–0.93 of culm height; peduncles of lateral spikes glabrous or barely scaberulous; peduncles of terminal spikes 1.6–21(–37) mm, usually barely exceeding lateral spikes; proximal bract sheaths loose, glabrous abaxially, sheath front slightly concave to slightly convex, elongated 0.6–2.2(–5) mm beyond apex; ligules (1.8–)3.4–7.8(–12.9) mm; distal bract much exceeding terminal spike. <b>Spike</b> (3–) 4–5, distal 2–4 overlapping; lateral spikes pistillate, with 3–18 perigynia, 5–26 × 4.6–9.8 mm, ratio of spike length (in mm) to flower number = 1.3–1.9; terminal spikes 7–34 × 1.1–2.7 mm. <b>Pistillate</b> scales 3.7–8 × 1.2–2.4 mm, margins whitish and usually with red-brown speckles, entire, apex with awn 1.1–6 mm. <b>Staminate</b> scales 3.6–4.9 × 1.1–1.9 mm. <b>Anthers</b> 2–2.8 mm. <b>Perigynia</b> spirally imbricate, 52–64-veined, unwrinkled to wrinkled, oblong-lanceoloid to narrowly oblong-ovoid, obtusely triangular in cross section, 4.2–5(–5.2) × 1.5–1.9(–2.2) mm, (2.2–)2.5–3.1 times as long as wide, lustrous, base very gradually tapered, apex gradually tapered; beak absent or straight, 0–0.2 mm. <b>Achenes</b> broadly obovoid to oblong-obovoid, widest at 0.55–0.67(–0.7) of body length, (2.6–)2.8–3.4 × (1.3–)1.5–1.7(–1.8) mm, loosely enveloped by perigynia; stipe straight, (0.3–)0.4–0.6 mm; beak straight, 0.3–0.6 mm.</span><!--

-->{{Treatment/Body
|phenology=Fruiting spring–early summer.
|habitat=Mesic deciduous forests, usually in acidic loams on flood plains, slopes above streams, and uplands
|elevation=10–1000 m
|distribution=Ont.;Ala.;Ark.;Conn.;Del.;D.C.;Ga.;Ill.;Ind.;Ky.;La.;Md.;Mass.;Mich.;Miss.;Mo.;N.J.;N.Y.;N.C.;Ohio;Okla.;Pa.;S.C.;Tenn.;Tex.;Va.;W.Va.
|discussion=<p>The wide-ranging, habitat generalist Carex amphibola is the most common member of Carex sect. Griseae. It grows with many other members of the section, most often C. bulbostylis, C. corrugata, C. glaucodea, C. grisea, C. oligocarpa, and C. planispicata.</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Carex amphibola
|author=
|authority=Steudel
|rank=species
|parent rank=section
|synonyms=Carex grisea var. amphibola
|basionyms=
|family=Cyperaceae
|phenology=Fruiting spring–early summer.
|habitat=Mesic deciduous forests, usually in acidic loams on flood plains, slopes above streams, and uplands
|elevation=10–1000 m
|distribution=Ont.;Ala.;Ark.;Conn.;Del.;D.C.;Ga.;Ill.;Ind.;Ky.;La.;Md.;Mass.;Mich.;Miss.;Mo.;N.J.;N.Y.;N.C.;Ohio;Okla.;Pa.;S.C.;Tenn.;Tex.;Va.;W.Va.
|reference=None
|publication title=Syn. Pl. Glumac.
|publication year=1855
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V23/V23_846.xml
|genus=Carex
|section=Carex sect. Griseae
|species=Carex amphibola
}}<!--

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