View source for Thuja occidentalis

{{Treatment/ID
|accepted_name=Thuja occidentalis
|accepted_authority=Linnaeus
|publications={{Treatment/Publication
|title=Sp. Pl.
|place=2: 1002. 1753
|year=1753
}}
|common_names=Northern white-cedar;thuier cèdre;cèdre-thuya occidental
|special_status={{Treatment/ID/Special_status
|code=F
|label=Illustrated
}}{{Treatment/ID/Special_status
|code=E
|label=Endemic
}}
|basionyms=
|synonyms=
|hierarchy=Cupressaceae;Thuja;Thuja occidentalis
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Cupressaceae]]</div><div class="higher-taxon"><small>genus</small>[[Thuja]]</div><div class="higher-taxon"><small>species</small>[[Thuja occidentalis]]</div></div>
|volume=Volume 2
|mention_page=
|treatment_page=
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Trees </b>to 15(–38) m, stunted or prostrate in harsh environments; trunk to 0.9(–1.8) m diam., sometimes divided into 2–3 secondary stems, often reproducing by layering or forming erect, rooted branches from fallen trunks; crown conical. <b>Bark</b> reddish brown or grayish brown, 6–9 mm thick, fibrous, fissured. <b>Leaves</b> of branchlets (1.5–)3–5 mm, acute, dull yellowish green on both surfaces of branchlets. <b>Pollen</b> cones 1–2 mm, reddish. <b>Seed</b> cones ellipsoid, (6–)9–14 mm, brown; fertile scales usually 2 pairs, each minutely mucronate. <b>Seeds</b> ca. 8 per cone, 4–7 mm (including wings), reddish brown. <b>2n</b> = 22.</span><!--

-->{{Treatment/Body
|habitat=On mostly calcareous substrates, neutral to basic swamps, shores of lakes and rivers, uplands, cliffs, and talus
|elevation=0–900 m
|distribution=Man.;N.B.;N.S.;Ont.;P.E.I.;Que.;Conn.;Ill.;Ind.;Ky.;Maine;Md.;Mass.;Mich.;Minn.;N.H.;N.Y.;N.C.;Ohio;Pa.;Tenn.;Vt.;Va.;W.Va.;Wis.
|discussion=<p>Isolated stands of <i>Thuja occidentalis</i> occur north and east of its general range in Canada (to 51° 31' N latitude in Ontario, 50° N in Quebec). In the United States south of the Great Lakes and in southern New England, it occurs locally in scattered stands and is rare or extirpated at numerous former sites. In some areas, heavy winter browsing by deer greatly reduces reproductive success through elimination of seedlings or saplings.</p><!--
--><p><i>Thuja occidentalis</i> is widely utilized in ornamental silviculture and has more than 120 named cultivars. It was probably the first North American tree introduced into Europe (ca. 1566). It is an important timber tree; the wood is used for applications requiring decay resistance.</p>
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Thuja occidentalis
|authority=Linnaeus
|rank=species
|parent rank=genus
|synonyms=
|basionyms=
|family=Cupressaceae
|habitat=On mostly calcareous substrates, neutral to basic swamps, shores of lakes and rivers, uplands, cliffs, and talus
|elevation=0–900 m
|distribution=Man.;N.B.;N.S.;Ont.;P.E.I.;Que.;Conn.;Ill.;Ind.;Ky.;Maine;Md.;Mass.;Mich.;Minn.;N.H.;N.Y.;N.C.;Ohio;Pa.;Tenn.;Vt.;Va.;W.Va.;Wis.
|reference=None
|publication title=Sp. Pl.
|publication year=1753
|special status=Illustrated;Endemic
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-data-curation.git/src/bb6b7e3a7de7d3b7888a1ad48c7fd8f5c722d8d6/coarse_grained_fna_xml/V2/V2_342.xml
|genus=Thuja
|species=Thuja occidentalis
}}<!--

-->[[Category:Treatment]][[Category:Thuja]]