View source for Carex laxiculmis

{{Treatment/ID
|accepted_name=Carex laxiculmis
|accepted_authority=Schweinitz
|publications={{Treatment/Publication
|title=Ann. Lyceum Nat. Hist. New York
|place=1: 70. 1824
|year=1824
}}
|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. Careyanae;Carex laxiculmis
|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. Careyanae]]</div><div class="higher-taxon"><small>species</small>[[Carex laxiculmis]]</div></div>
|volume=Volume 23
|mention_page=page 445
|treatment_page=page 446
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>densely cespitose. <b>Culms</b> erect, ascending, or spreading, 9–48 cm × 0.6–1 mm. <b>Leaves</b>: basal sheaths white or very light brown; nonbasal sheaths 7–32 mm, sheath blades 0.9–11.9 cm × 1–7 mm; leaf blades erect, ascending, or spreading, green or glaucous, 8–36 cm × 3–12 mm; blades of vegetative shoots 0–3.5 times wider than bract blades. <b>Inflorescences</b>: spikes (3–)4(–5) per culm, scattered; peduncles of pistillate spikes exserted 0–9 cm; of staminate spikes exserted 0–9.5 cm; bracts 2–11.8 cm × 1.3–4.8 mm. <b>Pistillate</b> spikes: the proximal basal, scattered, drooping. <b>Staminate</b> spike 1, linear, 8–22 × 1.2–3 mm. <b>Pistillate</b> scales keeled, 2.5–3.2 × 1–1.5 mm, midribs green, margins hyaline or, occasionally, reddish brown outward, apex cuspidate to acute, awn to 1 mm, proximal scale of lateral spike sterile or subtending a staminate flower. <b>Staminate</b> scales obovate, 3.5–4.5 × 1–1.2 mm, midribs green, margins hyaline or reddish brown outward, apex acute. <b>Anthers</b> 2–3 mm. <b>Perigynia</b> 4–9 per spike, finely veined, elliptic-ovoid, 2.5–4 × 1.5–2 mm; beak slightly bent, tapering. <b>Achenes</b> obvoid to broadly ovoid, 2.2–3.2 × 1.2–1.8 mm, slightly concave at maturity, tightly fitting in perigynia. <b>Style</b> slender ascending through entire orifice. <b>2n</b> = 44, 46.</span><!--

-->{{Treatment/Body
|distribution=Ont.;Ala.;Ark.;Conn.;D.C.;Del.;Ga.;Ill.;Ind.;Iowa;Ky.;Maine;Mass.;Md.;Mich.;Mo.;N.C.;N.H.;N.J.;N.Y.;Ohio;Pa.;R.I.;S.C.;Tenn.;Va.;Vt.;W.Va.;Wis.
|discussion=<p>Varieties 2 (2 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
|Leaves usually glaucous; widest leaf blade 6.4–11.8 mm; longest staminate spike (10–)12–25 mm.
|[[Carex laxiculmis var. laxiculmis|Carex laxiculmis var. laxiculmis]]
|-id=key-0-1
|1
|Leaves usually bright green; widest leaf blade 5.3–8.3 mm; longest staminate spike 6–20(–23) mm.
|[[Carex laxiculmis var. copulata|Carex laxiculmis var. copulata]]
|}
</div></div><!--

-->{{#Taxon:
name=Carex laxiculmis
|authority=Schweinitz
|rank=species
|parent rank=section
|synonyms=
|basionyms=
|family=Cyperaceae
|distribution=Ont.;Ala.;Ark.;Conn.;D.C.;Del.;Ga.;Ill.;Ind.;Iowa;Ky.;Maine;Mass.;Md.;Mich.;Mo.;N.C.;N.H.;N.J.;N.Y.;Ohio;Pa.;R.I.;S.C.;Tenn.;Va.;Vt.;W.Va.;Wis.
|reference=None
|publication title=Ann. Lyceum Nat. Hist. New York
|publication year=1824
|special status=Illustrated;Endemic
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-data-curation.git/src/bb6b7e3a7de7d3b7888a1ad48c7fd8f5c722d8d6/coarse_grained_fna_xml/V23/V23_820.xml
|genus=Carex
|section=Carex sect. Careyanae
|species=Carex laxiculmis
}}<!--

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