Difference between revisions of "Pinus elliottii var. densa"

Little & Dorman

J. Forest. (Washington) 50: 921, fig. 1, 2. 1952.

Common names: South Florida slash pine
Synonyms: Pinus densa unknown
Treatment appears in FNA Volume 2.
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--><span class="statement" id="st-d0_s0" data-properties="growth orientation;growth architecture;stage coloration;stem size or width;stem arrangement;stem count;stem arrangement;bud arrangement"><b>Seedlings </b>with vertical growth interrupted by grass stage, stem then more thickened, fascicles much more numerous and crowded around bud, and other buds more approximate on stem.</span> <span class="statement" id="st-d0_s1" data-properties="leaf count;hypodermis atypical count;hypodermis atypical count;hypodermis count;cell-layer width"><b>Leaves </b>mostly in 2s, sometimes in 3s on same shoot, resin canals per leaf 3–9, hypodermis (2–) 3–4 (–5) cell-layers thick.</span> <span class="statement" id="st-d0_s2" data-properties="seed-cone base shape"><b>Seed-</b>cone base mostly rounded when open.</span><!--
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--><span class="statement" id="st-undefined" data-properties=""><b>Seedlings </b>with vertical growth interrupted by grass stage, stem then more thickened, fascicles much more numerous and crowded around bud, and other buds more approximate on stem. <b>Leaves</b> mostly in 2s, sometimes in 3s on same shoot, resin canals per leaf 3–9, hypodermis (2–)3–4(–5) cell-layers thick. <b>Seed</b>-cone base mostly rounded when open.</span><!--
  
 
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|publication year=1952
 
|publication year=1952
 
|special status=
 
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/287ef3db526bd807d435a3c7423ef2df1e951227/V2/V2_250.xml
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|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V2/V2_250.xml
 
|genus=Pinus
 
|genus=Pinus
 
|species=Pinus elliottii
 
|species=Pinus elliottii
 
|variety=Pinus elliottii var. densa
 
|variety=Pinus elliottii var. densa
|bud arrangement=approximate
 
|cell-layer width=thick
 
|growth architecture=interrupted
 
|growth orientation=vertical
 
|hypodermis atypical count=4;5
 
|hypodermis count=3;4
 
|leaf count=3;9
 
|seed-cone base shape=rounded
 
|stage coloration=grass
 
|stem arrangement=crowded;fascicles
 
|stem count=numerous
 
|stem size or width=thickened
 
 
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-->[[Category:Treatment]][[Category:Pinus elliottii]]
 
-->[[Category:Treatment]][[Category:Pinus elliottii]]

Revision as of 13:15, 27 July 2019

Seedlings with vertical growth interrupted by grass stage, stem then more thickened, fascicles much more numerous and crowded around bud, and other buds more approximate on stem. Leaves mostly in 2s, sometimes in 3s on same shoot, resin canals per leaf 3–9, hypodermis (2–)3–4(–5) cell-layers thick. Seed-cone base mostly rounded when open.


Habitat: Flatwoods, mostly over limestone
Elevation: 0–10m

Discussion

The name Pinus caribaea Morelet has been applied in error to P. elliottii var. densa. This variety is best distinguished by its wood, which is heavier and harder than that of typical slash pine, and by its having a grass stage comparable to that of P. palustris. This variety is not used for naval stores as is the type variety; neither is it commercially planted.

Selected References

None.

Lower Taxa

None.