Difference between revisions of "Leitneria"

Chapman

Fl. South. U.S., 427. 1860.

Common names: Corkwood
Etymology: named for Dr. Edward Frederick Leitner, 1812-1838, German physician, naturalist, and explorer of southern Florida
Treatment appears in FNA Volume 3. Treatment on page 415.
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--><span class="statement" id="st-d0_s0" data-properties="tree size;thicket density"><b>Shrubs </b>or small trees, forming dense thickets.</span> <span class="statement" id="st-d0_s1" data-properties="leaf arrangement;leaf arrangement or growth form"><b>Leaves </b>5-ranked, clustered toward branch tips;</span> <span class="statement" id="st-d0_s2" data-properties="bundle-scar quantity">leaf-scars with 3 bundle-scars.</span> <span class="statement" id="st-d0_s3" data-properties="margin architecture or shape"><b>Leaf-</b>blade: margins entire;</span> <span class="statement" id="st-d0_s4" data-properties="surface pubescence;surface pubescence">surfaces densely pubescent, becoming ± glabrous.</span> <span class="statement" id="st-d0_s5" data-properties=""><b>Inflorescences </b>in flower before leaves appear, in axils of previous years leaves;</span> <span class="statement" id="st-d0_s6" data-properties="basal and apical beak reproduction">basal and apical bracts often sterile;</span> <span class="statement" id="st-d0_s7" data-properties="catkin architecture;catkin architecture;beak quantity;bracteole presence">staminate catkins compound, bracts 40-50, bracteoles absent;</span> <span class="statement" id="st-d0_s8" data-properties="catkin architecture;catkin architecture;catkin arrangement;beak quantity;beak position;beak quantity;bracteole size">pistillate catkins simple, spikelike, bracts 10-15, each subtending 2 small bracteoles.</span> <span class="statement" id="st-d0_s9" data-properties=""><b>Flowers </b>subtended by bracts;</span> <span class="statement" id="st-d0_s10" data-properties="beak arrangement;beak shape;apex shape;surface pubescence">bracts spirally arranged, deltate-ovate, apex acute, surface silky-pubescent abaxially.</span> <span class="statement" id="st-d0_s11" data-properties="flower architecture;cymule architecture;cymule architecture"><b>Staminate </b>flowers: cymules 3-flowered, sessile;</span> <span class="statement" id="st-d0_s12" data-properties="flower architecture;stamen arrangement or growth form">stamens clustered;</span> <span class="statement" id="st-d0_s13" data-properties="flower architecture;pistil presence">pistils absent.</span> <span class="statement" id="st-d0_s14" data-properties="flower architecture;flower architecture or arrangement or growth form"><b>Pistillate </b>flowers solitary;</span> <span class="statement" id="st-d0_s15" data-properties="perianth presence">perianth present;</span> <span class="statement" id="st-d0_s16" data-properties="sepal size;sepal shape">sepals small, scalelike;</span> <span class="statement" id="st-d0_s17" data-properties="staminode presence">staminodes absent;</span> <span class="statement" id="st-d0_s18" data-properties="ovary architecture;style arrangement or course or shape;stigma duration;stigma shape;stigma architecture">ovary sessile, style linear, stigma deciduous, decurrent, abaxially grooved, groove facing bract.</span> <span class="statement" id="st-d0_s19" data-properties="beak duration;bracteole duration;sepal duration"><b>Drupes </b>subtended by persistent bracts, bracteoles, and sepals.</span> <span class="statement" id="st-d0_s20" data-properties="x chromosome quantity">x = 16.</span><!--
+
--><span class="statement" id="st-undefined" data-properties=""><b>Shrubs </b>or small trees, forming dense thickets. <b>Leaves</b> 5-ranked, clustered toward branch tips; leaf scars with 3 bundle scars. <b>Leaf</b> blade: margins entire; surfaces densely pubescent, becoming ± glabrous. <b>Inflorescences</b> in flower before leaves appear, in axils of previous year's leaves; basal and apical bracts often sterile; staminate catkins compound, bracts 40-50, bracteoles absent; pistillate catkins simple, spikelike, bracts 10-15, each subtending 2 small bracteoles. <b>Flowers</b> subtended by bracts; bracts spirally arranged, deltate-ovate, apex acute, surface silky-pubescent abaxially. <b>Staminate</b> flowers: cymules 3-flowered, sessile; stamens clustered; pistils absent. <b>Pistillate</b> flowers solitary; perianth present; sepals small, scalelike; staminodes absent; ovary sessile, style linear, stigma deciduous, decurrent, abaxially grooved, groove facing bract. <b>Drupes</b> subtended by persistent bracts, bracteoles, and sepals. <b>x</b> = 16.</span><!--
  
 
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|publication year=1860
 
|publication year=1860
 
|special status=
 
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/287ef3db526bd807d435a3c7423ef2df1e951227/V3/V3_703.xml
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|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V3/V3_703.xml
 
|genus=Leitneria
 
|genus=Leitneria
|apex shape=acute
 
|basal and apical beak reproduction=sterile
 
|beak arrangement=arranged
 
|beak duration=persistent
 
|beak position=subtending
 
|beak quantity=2;10;15
 
|beak shape=deltate-ovate
 
|bracteole duration=persistent
 
|bracteole presence=absent
 
|bracteole size=small
 
|bundle-scar quantity=3
 
|catkin architecture=simple;pistillate;compound;staminate
 
|catkin arrangement=spike-like
 
|cymule architecture=sessile;3-flowered
 
|flower architecture=pistillate;staminate;staminate;staminate
 
|flower architecture or arrangement or growth form=solitary
 
|leaf arrangement=5-ranked
 
|leaf arrangement or growth form=clustered
 
|margin architecture or shape=entire
 
|ovary architecture=sessile
 
|perianth presence=absent
 
|pistil presence=absent
 
|sepal duration=persistent
 
|sepal shape=scale-like
 
|sepal size=small
 
|stamen arrangement or growth form=clustered
 
|staminode presence=absent
 
|stigma architecture=grooved
 
|stigma duration=deciduous
 
|stigma shape=decurrent
 
|style arrangement or course or shape=linear
 
|surface pubescence=silky-pubescent;glabrous;pubescent
 
|thicket density=dense
 
|tree size=small
 
|x chromosome quantity=16
 
 
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-->[[Category:Treatment]][[Category:Leitneriaceae]]

Revision as of 13:47, 27 July 2019

Shrubs or small trees, forming dense thickets. Leaves 5-ranked, clustered toward branch tips; leaf scars with 3 bundle scars. Leaf blade: margins entire; surfaces densely pubescent, becoming ± glabrous. Inflorescences in flower before leaves appear, in axils of previous year's leaves; basal and apical bracts often sterile; staminate catkins compound, bracts 40-50, bracteoles absent; pistillate catkins simple, spikelike, bracts 10-15, each subtending 2 small bracteoles. Flowers subtended by bracts; bracts spirally arranged, deltate-ovate, apex acute, surface silky-pubescent abaxially. Staminate flowers: cymules 3-flowered, sessile; stamens clustered; pistils absent. Pistillate flowers solitary; perianth present; sepals small, scalelike; staminodes absent; ovary sessile, style linear, stigma deciduous, decurrent, abaxially grooved, groove facing bract. Drupes subtended by persistent bracts, bracteoles, and sepals. x = 16.

Discussion

Bisexual cymules and 2-locular ovaries may occur sporadically; they merit investigation (R. K. Godfrey and A. F. Clewell 1965).

Selected References

None.