View source for Pinus banksiana

{{Treatment/ID
|accepted_name=Pinus banksiana
|accepted_authority=Lambert
|publications={{Treatment/Publication
|title=Descr. Pinus
|place=1: 7, plate 3. 1803
|year=1803
}}
|common_names=Jack pine;pin gris
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Pinus divaricata
|authority=(Aiton) Sudworth
}}{{Treatment/ID/Synonym
|name=Pinus sylvestris var. divaricata
|authority=Aiton
}}
|hierarchy=Pinaceae;Pinus;Pinus banksiana
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Pinaceae]]</div><div class="higher-taxon"><small>genus</small>[[Pinus]]</div><div class="higher-taxon"><small>species</small>[[Pinus banksiana]]</div></div>
|volume=Volume 2
|mention_page=
|treatment_page=
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Trees </b>to 27m; trunk to 0.6m diam., straight to crooked; crown becoming irregularly rounded or spreading and flattened. <b>Bark</b> orange- to red-brown, scaly. <b>Branches</b> descending to spreading-ascending, poorly self-pruning; twigs slender, orange-red to red-brown, aging gray-brown, rough. <b>Buds</b> ovoid, red-brown, 0.5–1cm, resinous; scale margins nearly entire. <b>Leaves</b> 2 per fascicle, spreading or ascending, persisting 2–3 years, 2–5cm × 1–1.5(–2)mm, twisted, yellow-green, all surfaces with fine stomatal lines, margins finely serrulate, apex acute to short-subulate; sheath 0.3–0.6cm, semipersistent. <b>Pollen</b> cones cylindric, 10–15mm, yellow to orange-brown. <b>Seed</b> cones maturing in 2 years, shedding seeds soon thereafter or often long-serotinous and shedding seeds only through age or fire, upcurved, asymmetric, lanceoloid before opening, ovoid when open, 3–5.5cm, tan to light brown or greenish yellow, slick, nearly sessile or short-stalked, most apophyses depressed but increasingly mammillate toward outer cone base; umbo central, depressed, small, sunken centrally, unarmed or with a small, reflexed apiculus. <b>Seeds</b> compressed-obovoid, oblique; body 4–5mm, brown to near black; wing 10–12mm. <b>2n</b> =24.</span><!--

-->{{Treatment/Body
|habitat=Fire successional in boreal forests, tundra transition, dry flats, and hills, sandy soils
|elevation=0–800m
|distribution=Alta.;B.C.;Man.;N.B.;N.W.T.;N.S.;Ont.;P.E.I.;Que.;Sask.;Ill.;Ind.;Maine;Mich.;Minn.;N.H.;N.Y.;Pa.;Vt.;Wis.
|discussion=<p>Pinus banksiana reaches its largest size and best form in Canada. In western Alberta and in northeastern British Columbia, it is sympatric with P. contorta and forms hybrid swarms with that species.</p><!--
--><p>Jack pine (Pinus banksiana) is the territorial tree of the Northwest Territories.</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Pinus banksiana
|author=
|authority=Lambert
|rank=species
|parent rank=genus
|synonyms=Pinus divaricata;Pinus sylvestris var. divaricata
|basionyms=
|family=Pinaceae
|habitat=Fire successional in boreal forests, tundra transition, dry flats, and hills, sandy soils
|elevation=0–800m
|distribution=Alta.;B.C.;Man.;N.B.;N.W.T.;N.S.;Ont.;P.E.I.;Que.;Sask.;Ill.;Ind.;Maine;Mich.;Minn.;N.H.;N.Y.;Pa.;Vt.;Wis.
|reference=None
|publication title=Descr. Pinus
|publication year=1803
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V2/V2_763.xml
|genus=Pinus
|species=Pinus banksiana
}}<!--

-->[[Category:Treatment]][[Category:Pinus]]