Difference between revisions of "Platystemon"

Bentham

Trans. Hort Soc. London, ser. 2, 1: 405. 1834.

Common names: Cream cups
Etymology: Greek platus, broad, and stemon, stamen
Treatment appears in FNA Volume 3.
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--><span class="statement" id="st-d0_s0" data-properties="herb duration;herb architecture;herb pubescence"><b>Herbs,</b> annual, caulescent, usually distinctly pubescent, from fibrous-roots.</span> <span class="statement" id="st-d0_s1" data-properties="stem architecture;stem orientation;stem orientation;stem orientation;stem architecture"><b>Stems </b>leafy, erect to decumbent, branching distally.</span> <span class="statement" id="st-d0_s2" data-properties="leaf arrangement;leaf arrangement;leaf architecture"><b>Leaves </b>mostly opposite or whorled, sessile;</span> <span class="statement" id="st-d0_s3" data-properties="blade arrangement or course or shape;blade shape">blade broadly linear, unlobed.</span> <span class="statement" id="st-d0_s4" data-properties="inflorescence position;inflorescence position"><b>Inflorescences </b>axillary or terminal, 1-flowerd;</span> <span class="statement" id="st-d0_s5" data-properties="beak presence">bracts absent;</span> <span class="statement" id="st-d0_s6" data-properties="bud orientation">bud nodding.</span> <span class="statement" id="st-d0_s7" data-properties="receptacle size"><b>Flowers:</b> receptacle slightly expanded beneath calyx;</span> <span class="statement" id="st-d0_s8" data-properties="sepal quantity;flap arrangement;flap arrangement">sepals 3, with overlapping, loosely connivent flaps;</span> <span class="statement" id="st-d0_s9" data-properties="petal quantity;specimen fragility">petals 6, occasionally more on robust specimens;</span> <span class="statement" id="st-d0_s10" data-properties="stamen quantity;series quantity">stamens many in several series;</span> <span class="statement" id="st-d0_s11" data-properties="filament shape">filaments dilated distally;</span> <span class="statement" id="st-d0_s12" data-properties="pistil architecture">pistil 6-many-carpellate;</span> <span class="statement" id="st-d0_s13" data-properties="locule condition;ovule quantity">ovary with each carpel forming almost closed locule with 4-24 ovules;</span> <span class="statement" id="st-d0_s14" data-properties="stigma quantity">stigmas 1 per carpel.</span> <span class="statement" id="st-d0_s15" data-properties="capsule orientation;capsule orientation;carpel shape;segment architecture;seed fusion"><b>Capsules </b>erect or sometimes nodding, carpels dissociating, each torulose and breaking transversely into 1-seeded segments, sometimes also releasing free seeds.</span> <span class="statement" id="st-d0_s16" data-properties="seed quantity"><b>Seeds </b>usually many, aril absent.</span> <span class="statement" id="st-d0_s17" data-properties="aril presence;x chromosome quantity">x = 6.</span><!--
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--><span class="statement" id="st-undefined" data-properties=""><b>Herbs,</b> annual, caulescent, usually distinctly pubescent, from fibrous roots. <b>Stems</b> leafy, erect to decumbent, branching distally. <b>Leaves</b> mostly opposite or whorled, sessile; blade broadly linear, unlobed. <b>Inflorescences</b> axillary or terminal, 1-flowerd; bracts absent; bud nodding. <b>Flowers</b>: receptacle slightly expanded beneath calyx; sepals 3, with overlapping, loosely connivent flaps; petals 6, occasionally more on robust specimens; stamens many in several series; filaments dilated distally; pistil 6-many-carpellate; ovary with each carpel forming almost closed locule with 4-24 ovules; stigmas 1 per carpel. <b>Capsules</b> erect or sometimes nodding, carpels dissociating, each torulose and breaking transversely into 1-seeded segments, sometimes also releasing free seeds. <b>Seeds</b> usually many, aril absent. <b>x</b> = 6.</span><!--
  
 
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|publication year=1834
 
|publication year=1834
 
|special status=
 
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/287ef3db526bd807d435a3c7423ef2df1e951227/V3/V3_308.xml
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|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V3/V3_308.xml
 
|genus=Platystemon
 
|genus=Platystemon
|aril presence=absent
 
|beak presence=absent
 
|blade arrangement or course or shape=linear
 
|blade shape=unlobed
 
|bud orientation=nodding
 
|capsule orientation=nodding;erect
 
|carpel shape=torulose
 
|filament shape=dilated
 
|flap arrangement=connivent;overlapping
 
|herb architecture=caulescent
 
|herb duration=annual
 
|herb pubescence=pubescent
 
|inflorescence position=terminal;axillary
 
|leaf architecture=sessile
 
|leaf arrangement=whorled;opposite
 
|locule condition=closed
 
|ovule quantity=4;24
 
|petal quantity=6
 
|pistil architecture=6-many-carpellate
 
|receptacle size=expanded
 
|seed fusion=free
 
|seed quantity=many
 
|segment architecture=1-seeded
 
|sepal quantity=3
 
|series quantity=several
 
|specimen fragility=robust
 
|stamen quantity=many
 
|stem architecture=branching;leafy
 
|stem orientation=erect;decumbent
 
|stigma quantity=1
 
|x chromosome quantity=6
 
 
}}<!--
 
}}<!--
  
 
-->[[Category:Treatment]][[Category:Papaveraceae]]
 
-->[[Category:Treatment]][[Category:Papaveraceae]]

Latest revision as of 21:47, 5 November 2020

Herbs, annual, caulescent, usually distinctly pubescent, from fibrous roots. Stems leafy, erect to decumbent, branching distally. Leaves mostly opposite or whorled, sessile; blade broadly linear, unlobed. Inflorescences axillary or terminal, 1-flowerd; bracts absent; bud nodding. Flowers: receptacle slightly expanded beneath calyx; sepals 3, with overlapping, loosely connivent flaps; petals 6, occasionally more on robust specimens; stamens many in several series; filaments dilated distally; pistil 6-many-carpellate; ovary with each carpel forming almost closed locule with 4-24 ovules; stigmas 1 per carpel. Capsules erect or sometimes nodding, carpels dissociating, each torulose and breaking transversely into 1-seeded segments, sometimes also releasing free seeds. Seeds usually many, aril absent. x = 6.

Distribution

w United States

Discussion

Species 1 (1 in the flora).