View source for Pinus glabra

{{Treatment/ID
|accepted_name=Pinus glabra
|accepted_authority=Walter
|publications={{Treatment/Publication
|title=Fl. Carol.
|place=237. 1788
|year=1788
}}
|common_names=Spruce pine
|special_status={{Treatment/ID/Special_status
|code=E
|label=Endemic
}}
|basionyms=
|synonyms=
|hierarchy=Pinaceae;Pinus;Pinus glabra
|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 glabra]]</div></div>
|volume=Volume 2
|mention_page=
|treatment_page=
}}<!--

--><span class="statement" id="st-d0_s0" data-properties="whole_organism some measurement;whole_organism growth form"><b>Trees </b>to 30m;</span> <span class="statement" id="st-d0_s1" data-properties="trunk diameter;trunk course">trunk to 1m diam., straight;</span> <span class="statement" id="st-d0_s2" data-properties="crown shape">crown conic to rounded.</span> <span class="statement" id="st-d0_s3" data-properties="bark coloration;bark relief;bark coloration;bark relief;plate shape;plate architecture or course;plate architecture or pubescence;plate presence;pocket shape;pocket architecture or course;pocket architecture or pubescence;pocket presence;upper section architecture or pubescence or relief"><b>Bark </b>gray, fissured and cross-checked into elongate, irregular, scaly plates, resin pockets absent, on upper sections of trunk ± smooth, gray, looking slick.</span> <span class="statement" id="st-d0_s4" data-properties="branch arrangement;branch orientation"><b>Branches </b>whorled, spreading to ascending;</span> <span class="statement" id="st-d0_s5" data-properties="twig size;twig coloration;twig pubescence;twig life cycle;twig coloration;twig architecture or pubescence or relief">twigs slender, purple-red to redbrown, occasionally glaucous, aging gray, smooth.</span> <span class="statement" id="st-d0_s6" data-properties="bud shape;bud coloration;bud some measurement;bud coating"><b>Buds </b>ovoid to ovoid-cylindric, redbrown, ca. 0.5–1cm, slightly resinous;</span> <span class="statement" id="st-d0_s7" data-properties="scale margin shape">scale margins finely fringed.</span> <span class="statement" id="st-d0_s8" data-properties="leaf quantity;leaf orientation;leaf duration;leaf quantity;leaf atypical length;leaf length;leaf width;leaf course;leaf architecture;leaf coloration;stomatal width;line width;margin architecture or shape;apex shape"><b>Leaves </b>2 per fascicle, spreading to ascending, persisting 2–3 years, 4–8 (–10) cm × 0.7–1.2mm, straight, slightly twisted, dark green, all surfaces with fine stomatal lines, margins finely serrulate, apex sharply conic;</span> <span class="statement" id="st-d0_s9" data-properties="sheath some measurement;base duration">sheath 0.5–1cm, base persistent.</span> <span class="statement" id="st-d0_s10" data-properties="pollen cone shape;pollen cone some measurement;pollen cone coloration"><b>Pollen </b>cones lance-cylindric, 10–15mm, purple-brown.</span> <span class="statement" id="st-d0_s11" data-properties="cone-seed life cycle;cone-seed duration;cone-seed orientation;cone-seed architecture or shape;cone-seed shape;cone-seed shape;cone-seed distance;cone-seed coloration;cone-seed life cycle;cone-seed coloration;cone-seed architecture;cone-seed architecture;year quantity;scale quantity"><b>Seed-</b>cones maturing in 2 years, shedding seeds soon thereafter, semipersistent, spreading to recurved, nearly symmetric, lanceovoid before opening, ovoid-cylindric when open, 3.5–7cm, redbrown, aging gray, nearly sessile or on stalks to 1cm, scales lacking contrasting border on adaxial surfaces (as in P. echinata);</span> <span class="statement" id="st-d0_s12" data-properties="apophysis size or width;apophysis prominence">apophyses but slightly thickened and raised;</span> <span class="statement" id="st-d0_s13" data-properties="umbo position;umbo shape;umbo architecture;umbo architecture;prickle size;prickle course;prickle fragility;prickle duration;prickle orientation">umbo central, depressed, unarmed or with small, curved, weak, deciduous, short-incurved prickle.</span> <span class="statement" id="st-d0_s14" data-properties="seed shape"><b>Seeds </b>deltoid-obovoid;</span> <span class="statement" id="st-d0_s15" data-properties="body some measurement;body coloration;body coloration">body ca. 6mm, brown, mottled darker;</span> <span class="statement" id="st-d0_s16" data-properties="">wing to ca. 12mm.</span> <span class="statement" id="st-d0_s17" data-properties="wing some measurement;2n chromosome quantity">2n =24.</span><!--

-->{{Treatment/Body
|habitat=Sandy alluvium and mesic woodland
|elevation=0–150m
|distribution=Ala.;Fla.;Ga.;La.;Miss.;S.C.
|discussion=<p>Pinus glabra is more shade tolerant than most yellow pines. Although the trees grow large, the wood is not much valued. The species is similar in tree form to P. strobus. It resembles P. echinata in shoot and leaf but has less prickly cones and deeper green leaves.</p>
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Pinus glabra
|authority=Walter
|rank=species
|parent rank=genus
|synonyms=
|basionyms=
|family=Pinaceae
|habitat=Sandy alluvium and mesic woodland
|elevation=0–150m
|distribution=Ala.;Fla.;Ga.;La.;Miss.;S.C.
|reference=None
|publication title=Fl. Carol.
|publication year=1788
|special status=Endemic
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V2/V2_290.xml
|genus=Pinus
|species=Pinus glabra
|2n chromosome quantity=24
|apex shape=conic
|apophysis prominence=raised
|apophysis size or width=thickened
|bark coloration=gray;gray
|bark relief=slick;fissured
|base duration=persistent
|body coloration=mottled darker;brown
|body some measurement=6
|branch arrangement=whorled
|branch orientation=spreading;ascending
|bud coating=resinous
|bud coloration=redbrown
|bud shape=ovoid;ovoid-cylindric
|bud some measurement=0.5cm;1cm
|cone-seed architecture=on stalks;sessile
|cone-seed architecture or shape=symmetric
|cone-seed coloration=gray;redbrown
|cone-seed distance=3.5cm;7cm
|cone-seed duration=semipersistent
|cone-seed life cycle=aging;maturing
|cone-seed orientation=spreading;recurved
|cone-seed shape=ovoid-cylindric;lanceovoid
|crown shape=conic;rounded
|leaf architecture=twisted
|leaf atypical length=8cm;10cm
|leaf coloration=dark green
|leaf course=straight
|leaf duration=persisting
|leaf length=4cm;8cm
|leaf orientation=spreading;ascending
|leaf quantity=2;3
|leaf width=0.7mm;1.2mm
|line width=fine
|margin architecture or shape=serrulate
|plate architecture or course=irregular
|plate architecture or pubescence=scaly
|plate presence=absent
|plate shape=elongate
|pocket architecture or course=irregular
|pocket architecture or pubescence=scaly
|pocket presence=absent
|pocket shape=elongate
|pollen cone coloration=purple-brown
|pollen cone shape=lance-cylindric
|pollen cone some measurement=10mm;15mm
|prickle course=curved
|prickle duration=deciduous
|prickle fragility=weak
|prickle orientation=short-incurved
|prickle size=small
|scale margin shape=fringed
|scale quantity=lacking
|seed shape=deltoid-obovoid
|sheath some measurement=0.5cm;1cm
|stomatal width=fine
|trunk course=straight
|trunk diameter=0m;1m
|twig architecture or pubescence or relief=smooth
|twig coloration=gray;purple-red;redbrown
|twig life cycle=aging
|twig pubescence=glaucous
|twig size=slender
|umbo architecture=with small , curved , weak , deciduous , short-incurved prickle;unarmed
|umbo position=central
|umbo shape=depressed
|upper section architecture or pubescence or relief=smooth
|whole_organism growth form=tree
|whole_organism some measurement=0m;30m
|wing some measurement=0mm;12mm
|year quantity=2
}}<!--

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