familyPinaceae
genusPinus

Difference between revisions of "Pinus longaeva"

D. K. Bailey

Ann. Missouri Bot. Gard. 57: 243. 1970.

Common names: Intermountain bristlecone pine
Endemic
Synonyms: Pinus aristata var. longaeva (D.K.Bailey) Little
Treatment appears in FNA Volume 2.
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|common_names=Intermountain bristlecone pine
 
|common_names=Intermountain bristlecone pine
 +
|special_status={{Treatment/ID/Special_status
 +
|code=E
 +
|label=Endemic
 +
}}
 
|basionyms=
 
|basionyms=
 
|synonyms={{Treatment/ID/Synonym
 
|synonyms={{Treatment/ID/Synonym
 
|name=Pinus aristata var. longaeva
 
|name=Pinus aristata var. longaeva
 
|authority=(D.K.Bailey) Little
 
|authority=(D.K.Bailey) Little
 +
|rank=variety
 
}}
 
}}
 
|hierarchy=Pinaceae;Pinus;Pinus longaeva
 
|hierarchy=Pinaceae;Pinus;Pinus longaeva
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}}<!--
 
}}<!--
  
--><span class="statement" id="st-d0_s0" data-properties="tree some measurement"><b>Trees </b>to 16m;</span> <span class="statement" id="st-d0_s1" data-properties="trunk diameter;trunk shape">trunk to 2m diam., strongly tapering;</span> <span class="statement" id="st-d0_s2" data-properties="crown shape;crown shape;crown architecture or course">crown rounded, flattened (sheared), or irregular.</span> <span class="statement" id="st-d0_s3" data-properties="bark coloration;bark relief;ridge width;ridge architecture or pubescence;ridge architecture or course"><b>Bark </b>redbrown, shallowly to deeply fissured with thick, scaly, irregular, blocky ridges.</span> <span class="statement" id="st-d0_s4" data-properties="branch arrangement or shape;branch orientation"><b>Branches </b>contorted, pendent;</span> <span class="statement" id="st-d0_s5" data-properties="twig coloration;twig life cycle;twig coloration;twig pubescence;branch life cycle;branch length or size;branch shape;leaf duration">twigs pale redbrown, aging gray to yellow-gray, puberulent, young branches resembling long bottlebrushes because of persistent leaves.</span> <span class="statement" id="st-d0_s6" data-properties="bud shape;bud coloration;bud some measurement;bud coating"><b>Buds </b>ovoid-acuminate, pale redbrown, ca. 1cm, resinous.</span> <span class="statement" id="st-d0_s7" data-properties="leaf count;leaf orientation;leaf duration;leaf count;leaf length;leaf width;leaf arrangement;leaf depth;leaf coloration;resin splotch count;resin splotch pubescence;scale coloration;resin band count;resin band position;resin band prominence;adaxial surface coloration;margin architecture or shape;margin architecture or shape;margin architecture or shape;apex shape;apex shape;apex shape"><b>Leaves </b>mostly 5 per fascicle, upcurved, persisting 10–30 years, 1.5–3.5cm × 0.8–1.2mm, mostly connivent, deep yellow-green, with few resin splotches but often scurfy with pale scales, abaxial surface without median groove but with 2 subepidermal but evident resin bands, adaxial surfaces conspicuously whitened with stomates, margins entire or remotely and finely serrulate distally, apex bluntly acute to short-acuminate;</span> <span class="statement" id="st-d0_s8" data-properties="sheath some measurement">sheath ca. 1cm, soon forming rosette, shed early.</span> <span class="statement" id="st-d0_s9" data-properties="pollen cone shape;pollen cone some measurement;pollen cone coloration"><b>Pollen </b>cones cylindro-ellipsoid, 7–10mm, purple-red.</span> <span class="statement" id="st-d0_s10" data-properties="seed-cone life cycle;seed-cone life cycle;seed-cone orientation;seed-cone architecture or shape;seed-cone shape;seed-cone shape;seed-cone shape;seed-cone shape;seed-cone distance;seed-cone coloration or density;seed-cone life cycle;seed-cone coloration;seed-cone architecture;year count;base shape"><b>Seed-</b>cones maturing in 2 years, shedding seeds and falling soon thereafter, spreading, symmetric, lance-cylindric with rounded base before opening, lance-cylindric to narrowly ovoid when open, 6–9.5cm, purple, aging redbrown, nearly sessile;</span> <span class="statement" id="st-d0_s11" data-properties="apophysis size or width;apophysis shape">apophyses much thickened, sharply keeled;</span> <span class="statement" id="st-d0_s12" data-properties="umbo position;umbo shape;umbo shape;umbo shape;umbo shape;umbo size;umbo fragility;buttress position;prickle variability;prickle some measurement;resin exudate coloration">umbo central, raised on low buttress, truncate to umbilicate, abruptly narrowed to slender but stiff, variable prickle 1–6mm, resin exudate pale.</span> <span class="statement" id="st-d0_s13" data-properties="seed shape"><b>Seeds </b>ellipsoid-obovoid;</span> <span class="statement" id="st-d0_s14" data-properties="body some measurement;body coloration;body coloration">body 5–8mm, pale-brown, mottled with dark red;</span> <span class="statement" id="st-d0_s15" data-properties="wing some measurement">wing 10–12mm.</span><!--
+
--><span class="statement" id="st-undefined" data-properties=""><b>Trees </b>to 16m; trunk to 2m diam., strongly tapering; crown rounded, flattened (sheared), or irregular. <b>Bark</b> red-brown, shallowly to deeply fissured with thick, scaly, irregular, blocky ridges. <b>Branches</b> contorted, pendent; twigs pale red-brown, aging gray to yellow-gray, puberulent, young branches resembling long bottlebrushes because of persistent leaves. <b>Buds</b> ovoid-acuminate, pale red-brown, ca. 1cm, resinous. <b>Leaves</b> mostly 5 per fascicle, upcurved, persisting 10–30 years, 1.5–3.5cm × 0.8–1.2mm, mostly connivent, deep yellow-green, with few resin splotches but often scurfy with pale scales, abaxial surface without median groove but with 2 subepidermal but evident resin bands, adaxial surfaces conspicuously whitened with stomates, margins entire or remotely and finely serrulate distally, apex bluntly acute to short-acuminate; sheath ca. 1cm, soon forming rosette, shed early. <b>Pollen</b> cones cylindro-ellipsoid, 7–10mm, purple-red. <b>Seed</b> cones maturing in 2 years, shedding seeds and falling soon thereafter, spreading, symmetric, lance-cylindric with rounded base before opening, lance-cylindric to narrowly ovoid when open, 6–9.5cm, purple, aging red-brown, nearly sessile; apophyses much thickened, sharply keeled; umbo central, raised on low buttress, truncate to umbilicate, abruptly narrowed to slender but stiff, variable prickle 1–6mm, resin exudate pale. <b>Seeds</b> ellipsoid-obovoid; body 5–8mm, pale brown, mottled with dark red; wing 10–12mm.</span><!--
  
 
-->{{Treatment/Body
 
-->{{Treatment/Body
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|elevation=1700–3400m
 
|elevation=1700–3400m
 
|distribution=Calif.;Nev.;Utah.
 
|distribution=Calif.;Nev.;Utah.
|discussion=<p>Pinus longaeva is considered by dendrochronologists to be the longest-lived tree. One tree was estimated to be 5000 years old.</p>
+
|discussion=<p><i>Pinus longaeva</i> is considered by dendrochronologists to be the longest-lived tree. One tree was estimated to be 5000 years old.</p>
 
|tables=
 
|tables=
 
|references=
 
|references=
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-->{{#Taxon:
 
-->{{#Taxon:
 
name=Pinus longaeva
 
name=Pinus longaeva
|author=
 
 
|authority=D. K. Bailey
 
|authority=D. K. Bailey
 
|rank=species
 
|rank=species
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|publication title=Ann. Missouri Bot. Gard.
 
|publication title=Ann. Missouri Bot. Gard.
 
|publication year=1970
 
|publication year=1970
|special status=
+
|special status=Endemic
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/287ef3db526bd807d435a3c7423ef2df1e951227/V2/V2_784.xml
+
|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V2/V2_784.xml
 
|genus=Pinus
 
|genus=Pinus
 
|species=Pinus longaeva
 
|species=Pinus longaeva
|adaxial surface coloration=whitened
 
|apex shape=bluntly acute;short-acuminate
 
|apophysis shape=keeled
 
|apophysis size or width=thickened
 
|bark coloration=redbrown
 
|bark relief=fissured
 
|base shape=rounded
 
|body coloration=mottled with dark red;pale-brown
 
|body some measurement=5mm;8mm
 
|branch arrangement or shape=contorted
 
|branch length or size=long
 
|branch life cycle=young
 
|branch orientation=pendent
 
|branch shape=bottlebrushes
 
|bud coating=resinous
 
|bud coloration=pale redbrown
 
|bud shape=ovoid-acuminate
 
|bud some measurement=1
 
|buttress position=low
 
|crown architecture or course=irregular
 
|crown shape=flattened;rounded
 
|leaf arrangement=connivent
 
|leaf coloration=yellow-green
 
|leaf count=10;30
 
|leaf depth=deep
 
|leaf duration=persisting;persistent
 
|leaf length=1.5cm;3.5cm
 
|leaf orientation=upcurved
 
|leaf width=0.8mm;1.2mm
 
|margin architecture or shape=serrulate;remotely;entire
 
|pollen cone coloration=purple-red
 
|pollen cone shape=cylindro-ellipsoid
 
|pollen cone some measurement=7mm;10mm
 
|prickle some measurement=1mm;6mm
 
|prickle variability=variable
 
|resin band count=2
 
|resin band position=subepidermal
 
|resin band prominence=evident
 
|resin exudate coloration=pale
 
|resin splotch count=few
 
|resin splotch pubescence=scurfy
 
|ridge architecture or course=irregular
 
|ridge architecture or pubescence=scaly
 
|ridge width=thick
 
|scale coloration=pale
 
|seed shape=ellipsoid-obovoid
 
|seed-cone architecture=sessile
 
|seed-cone architecture or shape=symmetric
 
|seed-cone coloration=redbrown
 
|seed-cone coloration or density=purple
 
|seed-cone distance=6cm;9.5cm
 
|seed-cone life cycle=aging;falling;maturing
 
|seed-cone orientation=spreading
 
|seed-cone shape=lance-cylindric;narrowly ovoid
 
|sheath some measurement=1
 
|tree some measurement=0m;16m
 
|trunk diameter=0m;2m
 
|trunk shape=tapering
 
|twig coloration=gray to yellow-gray;pale redbrown
 
|twig life cycle=aging
 
|twig pubescence=puberulent
 
|umbo fragility=stiff
 
|umbo position=central
 
|umbo shape=narrowed;truncate;umbilicate
 
|umbo size=slender
 
|wing some measurement=10mm;12mm
 
|year count=2
 
 
}}<!--
 
}}<!--
  
 
-->[[Category:Treatment]][[Category:Pinus]]
 
-->[[Category:Treatment]][[Category:Pinus]]

Latest revision as of 20:25, 5 November 2020

Trees to 16m; trunk to 2m diam., strongly tapering; crown rounded, flattened (sheared), or irregular. Bark red-brown, shallowly to deeply fissured with thick, scaly, irregular, blocky ridges. Branches contorted, pendent; twigs pale red-brown, aging gray to yellow-gray, puberulent, young branches resembling long bottlebrushes because of persistent leaves. Buds ovoid-acuminate, pale red-brown, ca. 1cm, resinous. Leaves mostly 5 per fascicle, upcurved, persisting 10–30 years, 1.5–3.5cm × 0.8–1.2mm, mostly connivent, deep yellow-green, with few resin splotches but often scurfy with pale scales, abaxial surface without median groove but with 2 subepidermal but evident resin bands, adaxial surfaces conspicuously whitened with stomates, margins entire or remotely and finely serrulate distally, apex bluntly acute to short-acuminate; sheath ca. 1cm, soon forming rosette, shed early. Pollen cones cylindro-ellipsoid, 7–10mm, purple-red. Seed cones maturing in 2 years, shedding seeds and falling soon thereafter, spreading, symmetric, lance-cylindric with rounded base before opening, lance-cylindric to narrowly ovoid when open, 6–9.5cm, purple, aging red-brown, nearly sessile; apophyses much thickened, sharply keeled; umbo central, raised on low buttress, truncate to umbilicate, abruptly narrowed to slender but stiff, variable prickle 1–6mm, resin exudate pale. Seeds ellipsoid-obovoid; body 5–8mm, pale brown, mottled with dark red; wing 10–12mm.


Habitat: Subalpine and alpine
Elevation: 1700–3400m

Discussion

Pinus longaeva is considered by dendrochronologists to be the longest-lived tree. One tree was estimated to be 5000 years old.

Selected References

None.

Lower Taxa

None.