Difference between revisions of "Sequoia"

Endlicher

Syn. Conif. 197. 1847.

Etymology: For Sequoyah, also known as George Guess, inventor and publisher of the Cherokee alphabet
Treatment appears in FNA Volume 2.
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--><span class="statement" id="st-d0_s0" data-properties="tree size;tree duration"><b>Trees </b>giant, evergreen.</span> <span class="statement" id="st-d0_s1" data-properties="branchlet shape;growth constriction prominence;growth constriction duration"><b>Branchlets </b>terete, with obvious annual growth constrictions.</span> <span class="statement" id="st-d0_s2" data-properties="leaf arrangement;rank count"><b>Leaves </b>alternate, mostly in 2 ranks.</span> <span class="statement" id="st-d0_s3" data-properties="leaf life cycle;leaf shape;leaf shape;leaf shape;leaf shape;leaf shape;leaf arrangement;leaf fixation or orientation"><b>Adult </b>leaves linear or linear-lanceolate to deltate, generally flattened, divergent to strongly appressed;</span> <span class="statement" id="st-d0_s4" data-properties="abaxial gland count">abaxial glands absent.</span> <span class="statement" id="st-d0_s5" data-properties="sporophyll count;pollen-sac count"><b>Pollen </b>cones with 6–12 sporophylls, each sporophyll with 2–6 pollen-sacs.</span> <span class="statement" id="st-d0_s6" data-properties="seed-cone life cycle;seed-cone shape;seed-cone shape;seed-cone shape"><b>Seed-</b>cones maturing and opening in 1 season, oblong to globose;</span> <span class="statement" id="st-d0_s7" data-properties="scale duration;scale count;scale arrangement or dehiscence;scale architecture;scale width;scale texture">scales persistent, 15–30, valvate, ± peltate, thick and woody.</span> <span class="statement" id="st-d0_s8" data-properties="seed count;seed shape;seed architecture"><b>Seeds </b>2–7 per scale, lenticular, narrowly 2-winged;</span> <span class="statement" id="st-d0_s9" data-properties="">cotyledons 2 (–4).</span> <span class="statement" id="st-d0_s10" data-properties="cotyledon atypical count;cotyledon count;x chromosome count">x = 11.</span><!--
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--><span class="statement" id="st-undefined" data-properties=""><b>Trees </b>giant, evergreen. <b>Branchlets</b> terete, with obvious annual growth constrictions. <b>Leaves</b> alternate, mostly in 2 ranks. <b>Adult</b> leaves linear or linear-lanceolate to deltate, generally flattened, divergent to strongly appressed; abaxial glands absent. <b>Pollen</b> cones with 6–12 sporophylls, each sporophyll with 2–6 pollen sacs. <b>Seed</b> cones maturing and opening in 1 season, oblong to globose; scales persistent, 15–30, valvate, ± peltate, thick and woody. <b>Seeds</b> 2–7 per scale, lenticular, narrowly 2-winged; cotyledons 2(–4). <b>x</b> = 11.</span><!--
  
 
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|publication year=1847
 
|publication year=1847
 
|special status=
 
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/287ef3db526bd807d435a3c7423ef2df1e951227/V2/V2_239.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_239.xml
 
|genus=Sequoia
 
|genus=Sequoia
|abaxial gland count=absent
 
|branchlet shape=terete
 
|cotyledon atypical count=2;4
 
|cotyledon count=2
 
|growth constriction duration=annual
 
|growth constriction prominence=obvious
 
|leaf arrangement=divergent;alternate
 
|leaf fixation or orientation=appressed
 
|leaf life cycle=adult
 
|leaf shape=flattened;linear-lanceolate;deltate
 
|pollen-sac count=2;6
 
|rank count=2
 
|scale architecture=peltate
 
|scale arrangement or dehiscence=valvate
 
|scale count=15;30
 
|scale duration=persistent
 
|scale texture=woody
 
|scale width=thick
 
|seed architecture=2-winged
 
|seed count=2;7
 
|seed shape=lenticular
 
|seed-cone life cycle=maturing
 
|seed-cone shape=oblong;globose
 
|sporophyll count=6;12
 
|tree duration=evergreen
 
|tree size=giant
 
|x chromosome count=11
 
 
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Revision as of 13:14, 27 July 2019

Trees giant, evergreen. Branchlets terete, with obvious annual growth constrictions. Leaves alternate, mostly in 2 ranks. Adult leaves linear or linear-lanceolate to deltate, generally flattened, divergent to strongly appressed; abaxial glands absent. Pollen cones with 6–12 sporophylls, each sporophyll with 2–6 pollen sacs. Seed cones maturing and opening in 1 season, oblong to globose; scales persistent, 15–30, valvate, ± peltate, thick and woody. Seeds 2–7 per scale, lenticular, narrowly 2-winged; cotyledons 2(–4). x = 11.

Distribution

Only in the flora.

Discussion

Species 1.