Difference between revisions of "Pinus banksiana"
Descr. Pinus 1: 7, plate 3. 1803.
Common names: Jack pine pin gris
IllustratedEndemic
Synonyms: Pinus divaricata (Aiton) Sudworth Pinus sylvestris var. divaricata Aiton
Treatment appears in FNA Volume 2.
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|common_names=Jack pine;pin gris | |common_names=Jack pine;pin gris | ||
| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=F | ||
| + | |label=Illustrated | ||
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| + | |code=E | ||
| + | |label=Endemic | ||
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|basionyms= | |basionyms= | ||
|synonyms={{Treatment/ID/Synonym | |synonyms={{Treatment/ID/Synonym | ||
|name=Pinus divaricata | |name=Pinus divaricata | ||
|authority=(Aiton) Sudworth | |authority=(Aiton) Sudworth | ||
| − | }}{{Treatment/ID/Synonym | + | |rank=species |
| + | }} {{Treatment/ID/Synonym | ||
|name=Pinus sylvestris var. divaricata | |name=Pinus sylvestris var. divaricata | ||
|authority=Aiton | |authority=Aiton | ||
| + | |rank=variety | ||
}} | }} | ||
|hierarchy=Pinaceae;Pinus;Pinus banksiana | |hierarchy=Pinaceae;Pinus;Pinus banksiana | ||
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| − | --><span class="statement" id="st- | + | --><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 | -->{{Treatment/Body | ||
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|elevation=0–800m | |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. | |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><!-- | + | |discussion=<p><i>Pinus banksiana</i> reaches its largest size and best form in Canada. In western Alberta and in northeastern British Columbia, it is sympatric with <i>P. contorta</i> and forms hybrid swarms with that species.</p><!-- |
| − | --><p>Jack pine (Pinus banksiana) is the territorial tree of the Northwest Territories.</p> | + | --><p>Jack pine (<i>Pinus banksiana</i>) is the territorial tree of the Northwest Territories.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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name=Pinus banksiana | name=Pinus banksiana | ||
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|authority=Lambert | |authority=Lambert | ||
|rank=species | |rank=species | ||
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|publication title=Descr. Pinus | |publication title=Descr. Pinus | ||
|publication year=1803 | |publication year=1803 | ||
| − | |special status= | + | |special status=Illustrated;Endemic |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V2/V2_763.xml |
|genus=Pinus | |genus=Pinus | ||
|species=Pinus banksiana | |species=Pinus banksiana | ||
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-->[[Category:Treatment]][[Category:Pinus]] | -->[[Category:Treatment]][[Category:Pinus]] | ||
Latest revision as of 20:25, 5 November 2020
Trees to 27m; trunk to 0.6m diam., straight to crooked; crown becoming irregularly rounded or spreading and flattened. Bark orange- to red-brown, scaly. Branches descending to spreading-ascending, poorly self-pruning; twigs slender, orange-red to red-brown, aging gray-brown, rough. Buds ovoid, red-brown, 0.5–1cm, resinous; scale margins nearly entire. Leaves 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. Pollen cones cylindric, 10–15mm, yellow to orange-brown. Seed 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. Seeds compressed-obovoid, oblique; body 4–5mm, brown to near black; wing 10–12mm. 2n =24.
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
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.
Jack pine (Pinus banksiana) is the territorial tree of the Northwest Territories.
Selected References
None.
Lower Taxa
None.