View source for Carex sterilis

{{Treatment/ID
|accepted_name=Carex sterilis
|accepted_authority=Willdenow
|publications={{Treatment/Publication
|title=Sp. Pl.
|place=4(1): 208. 1805
|year=1805
}}
|common_names=Carex stérile
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Carex elachycarpa
|authority=Fernald
}} {{Treatment/ID/Synonym
|name=Kobresia elachycarpa
|authority=(Fernald) Fernald
}}
|hierarchy=Cyperaceae;Carex;Carex sect. Stellulatae;Carex sterilis
|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. Stellulatae]]</div><div class="higher-taxon"><small>species</small>[[Carex sterilis]]</div></div>
|volume=Volume 23
|mention_page=page 326, 328
|treatment_page=page 327
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Culms </b>10–75 cm. <b>Leaves</b> 3–5 per culm; sheaths tight, inner band hyaline, 4–13 cm, apex concave, glabrous; ligules 0.3–1.7 mm, rounded to obtuse; blades plicate, 7.5–25 cm × 1.2–2.6 mm, widest leaf 1.6–2.6 mm wide. <b>Inflorescences</b> densely crowded distally, often with basal spikes ± separate, 0.9–4 cm; spikes 3–8; unisexual with pistillate and staminate spikes on different plants; pistillate plants rarely with few staminate flowers; staminate plants sometimes with few pistillate flowers scattered on spikes or, occasionally, entirely pistillate spikes mixed with entirely staminate ones in same inflorescence; proximal 2 spikes 3.8–15.5 mm apart, lateral spikes 3–13.5 mm, similar to terminal spikes; terminal spikes 3.5–13.7 mm, usually unisexual, pistillate spikes 5–26-flowered, 4.5–7.2 mm wide, staminate spikes 6–31-flowered, 1.2–2.6 mm wide. <b>Pistillate</b> scales ovate, 1.8–2.9 × 1–1.8 mm, apex acute. <b>Staminate</b> scales ovate, 2.2–3.3 × 1.1–1.8 mm, base not clavate, apex acute. <b>Anthers</b> (1–)1.2–2.2(–2.35) mm. <b>Perigynia</b> spreading to reflexed, castaneous to almost black, 5–12-veined abaxially, 0–10-veined adaxially, ovate to deltate, 2.1–3.8 × 1.2–2.2 mm, 1.4–2.3(–2.7) times as long as wide; beak 0.65–1.6 mm, 0.45–0.8 length of body, setulose-serrulate, teeth whitish, 0.15–0.5 mm, soft. <b>Achenes</b> ovate to suborbiculate, 1–1.7 × 0.9–1.3 mm.</span><!--

-->{{Treatment/Body
|phenology=Fruiting late spring–early summer.
|habitat=Fens, openings in white-cedar swamps, wet calcareous prairies, fresh interdunal meadows, calcareous seeps, lake and river shores, wet sunny limestone outcrops
|elevation=0–800 m
|distribution=Man.;Nfld. and Labr. (Nfld.);Nunavut;Ont.;Que.;Sask.;Conn.;Ill.;Ind.;Iowa;Maine;Mass.;Mich.;Minn.;Mo.;N.J.;N.Y.;Ohio;Pa.;Tenn.;Va.;W.Va.;Wis.
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Carex sterilis
|author=
|authority=Willdenow
|rank=species
|parent rank=section
|synonyms=Carex elachycarpa;Kobresia elachycarpa
|basionyms=
|family=Cyperaceae
|phenology=Fruiting late spring–early summer.
|habitat=Fens, openings in white-cedar swamps, wet calcareous prairies, fresh interdunal meadows, calcareous seeps, lake and river shores, wet sunny limestone outcrops
|elevation=0–800 m
|distribution=Man.;Nfld. and Labr. (Nfld.);Nunavut;Ont.;Que.;Sask.;Conn.;Ill.;Ind.;Iowa;Maine;Mass.;Mich.;Minn.;Mo.;N.J.;N.Y.;Ohio;Pa.;Tenn.;Va.;W.Va.;Wis.
|reference=None
|publication title=Sp. Pl.
|publication year=1805
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/8f726806613d60c220dc4493de13607dd3150896/coarse_grained_fna_xml/V23/V23_581.xml
|genus=Carex
|section=Carex sect. Stellulatae
|species=Carex sterilis
}}<!--

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