Difference between revisions of "Dicentra ochroleuca"

Engelmann

Bot. Gaz. 6: 223. 1881.

Common names: White eardrops
Endemic
Treatment appears in FNA Volume 3.
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--><span class="statement" id="st-d0_s0" data-properties="whole_organism duration;whole_organism architecture;whole_organism pubescence;taproot fragility or size"><b>Lants </b>perennial, caulescent, glaucous, from stout taproots.</span> <span class="statement" id="st-d0_s1" data-properties="stem quantity;stem orientation;stem atypical some measurement;stem some measurement;stem diam"><b>Stems </b>1 or more, rigidly erect, 10-20 (-40) dm, 2-3 cm or more diam. at base.</span> <span class="statement" id="st-d0_s2" data-properties="leaf atypical length;leaf atypical length;leaf length;leaf atypical width;leaf atypical width;leaf width"><b>Leaves </b>(12-) 25-35 (-50) × (6-) 10-20 (-35) cm;</span> <span class="statement" id="st-d0_s3" data-properties="order quantity">blade with 4 orders of leaflets and lobes;</span> <span class="statement" id="st-d0_s4" data-properties="ultimate leaflet atypical length;ultimate leaflet atypical length;ultimate leaflet length;ultimate leaflet atypical width;ultimate leaflet atypical width;ultimate leaflet width;ultimate lobe shape">ultimate leaflets (10-) 20-30 (-60) × (5-) 8-15 (-30) mm, ultimate lobes linear-lanceolate.</span> <span class="statement" id="st-d0_s5" data-properties="inflorescence position or structure subtype;inflorescence arrangement;inflorescence architecture;inflorescence shape"><b>Inflorescences </b>terminal, paniculate, 5-many-flowered, subglobose;</span> <span class="statement" id="st-d0_s6" data-properties="beak shape;beak shape;beak shape;beak length;beak width;margin architecture or shape">bracts nearly round to ovate, 4-8 × 3-7 mm, margins entire.</span> <span class="statement" id="st-d0_s7" data-properties="flower orientation"><b>Flowers </b>erect;</span> <span class="statement" id="st-d0_s8" data-properties="pedicel texture;pedicel some measurement">pedicel rigid, 2-10 mm;</span> <span class="statement" id="st-d0_s9" data-properties="sepal shape;sepal shape;sepal shape;sepal atypical length;sepal atypical length;sepal length;sepal atypical width;sepal width">sepals nearly round to ovate, (5-) 7-10 (-12) × 3-7 (-9) mm;</span> <span class="statement" id="st-d0_s10" data-properties="petal reflectance;petal coloration">petals dull to yellowish white;</span> <span class="statement" id="st-d0_s11" data-properties="outer petal architecture;outer petal atypical some measurement;outer petal atypical some measurement;outer petal some measurement;portion orientation;portion some measurement">outer petals purple-tipped, (15-) 22-26 (-30) mm, reflexed portion 5-12 mm;</span> <span class="statement" id="st-d0_s12" data-properties="inner petal atypical some measurement;inner petal atypical some measurement;inner petal some measurement;claw some measurement;claw width;crest diameter">inner petals (15-) 20-22 (-24) mm, claw 6-9 mm and 2/3 width of blade, crest 3-5 mm diam., exceeding apex by 2-4 mm;</span> <span class="statement" id="st-d0_s13" data-properties="bundle filament fusion;bundle filament fusion">filaments of each bundle connate from base to shortly below anthers, rarely distinct from near base;</span> <span class="statement" id="st-d0_s14" data-properties="nectariferous; filament tissue orientation">nectariferous tissue borne at base of median filament, not projecting into outer petal;</span> <span class="statement" id="st-d0_s15" data-properties="stigma shape;stigma l w ratio">stigma shallowly 2-horned, ca. 2 times wider than long.</span> <span class="statement" id="st-d0_s16" data-properties="capsule shape;capsule shape;end atypical length;end atypical length;end length;end width"><b>Capsules </b>ovoid, attenuate at both ends, (10-) 20-30 (-35) × 5-8 mm.</span> <span class="statement" id="st-d0_s17" data-properties="seed shape;seed diameter;protuberance size"><b>Seeds </b>slightly reniform, ca. 1.3 (rarely to 2) mm diam., densely covered with tiny protuberances, elaiosome absent.</span> <span class="statement" id="st-d0_s18" data-properties="elaiosome presence;2n chromosome quantity">2n = 32.</span><!--
+
--><span class="statement" id="st-undefined" data-properties=""><b>Lants </b>perennial, caulescent, glaucous, from stout taproots. <b>Stems</b> 1 or more, rigidly erect, 10-20(-40) dm, 2-3 cm or more diam. at base. <b>Leaves</b> (12-)25-35(-50) × (6-)10-20(-35) cm; blade with 4 orders of leaflets and lobes; ultimate leaflets (10-)20-30(-60) × (5-)8-15(-30) mm, ultimate lobes linear-lanceolate. <b>Inflorescences</b> terminal, paniculate, 5-many-flowered, subglobose; bracts nearly round to ovate, 4-8 × 3-7 mm, margins entire. <b>Flowers</b> erect; pedicel rigid, 2-10 mm; sepals nearly round to ovate, (5-)7-10(-12) × 3-7(-9) mm; petals dull to yellowish white; outer petals purple-tipped, (15-)22-26(-30) mm, reflexed portion 5-12 mm; inner petals (15-)20-22(-24) mm, claw 6-9 mm and 2/3 width of blade, crest 3-5 mm diam., exceeding apex by 2-4 mm; filaments of each bundle connate from base to shortly below anthers, rarely distinct from near base; nectariferous tissue borne at base of median filament, not projecting into outer petal; stigma shallowly 2-horned, ca. 2 times wider than long. <b>Capsules</b> ovoid, attenuate at both ends, (10-)20-30(-35) × 5-8 mm. <b>Seeds</b> slightly reniform, ca. 1.3 (rarely to 2) mm diam., densely covered with tiny protuberances, elaiosome absent. <b>2n</b> = 32.</span><!--
  
 
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|publication year=1881
 
|publication year=1881
 
|special status=Endemic
 
|special status=Endemic
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/287ef3db526bd807d435a3c7423ef2df1e951227/V3/V3_897.xml
+
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V3/V3_897.xml
 
|genus=Dicentra
 
|genus=Dicentra
 
|species=Dicentra ochroleuca
 
|species=Dicentra ochroleuca
|2n chromosome quantity=32
 
|beak length=4mm;8mm
 
|beak shape=nearly round;ovate
 
|beak width=3mm;7mm
 
|bundle filament fusion=distinct;connate
 
|capsule shape=attenuate;ovoid
 
|claw some measurement=6mm;9mm
 
|claw width=2/3 width of blade
 
|crest diameter=3mm;5mm
 
|elaiosome presence=absent
 
|end atypical length=30mm;35mm
 
|end length=20mm;30mm
 
|end width=5mm;8mm
 
|flower orientation=erect
 
|inflorescence architecture=5-many-flowered
 
|inflorescence arrangement=paniculate
 
|inflorescence position or structure subtype=terminal
 
|inflorescence shape=subglobose
 
|inner petal atypical some measurement=22mm;24mm
 
|inner petal some measurement=20mm;22mm
 
|leaf atypical length=35cm;50cm
 
|leaf atypical width=20cm;35cm
 
|leaf length=25cm;35cm
 
|leaf width=10cm;20cm
 
|margin architecture or shape=entire
 
|nectariferous; filament tissue orientation=not projecting
 
|order quantity=4
 
|outer petal architecture=purple-tipped
 
|outer petal atypical some measurement=26mm;30mm
 
|outer petal some measurement=22mm;26mm
 
|pedicel some measurement=2mm;10mm
 
|pedicel texture=rigid
 
|petal coloration=yellowish white
 
|petal reflectance=dull
 
|portion orientation=reflexed
 
|portion some measurement=5mm;12mm
 
|protuberance size=tiny
 
|seed diameter=1.3
 
|seed shape=reniform
 
|sepal atypical length=10mm;12mm
 
|sepal atypical width=7mm;9mm
 
|sepal length=7mm;10mm
 
|sepal shape=nearly round;ovate
 
|sepal width=3mm;7mm
 
|stem atypical some measurement=20dm;40dm
 
|stem diam=2cm;3cm
 
|stem orientation=erect
 
|stem quantity=1
 
|stem some measurement=10dm;20dm
 
|stigma l w ratio=1/2
 
|stigma shape=2-horned
 
|taproot fragility or size=stout
 
|ultimate leaflet atypical length=30mm;60mm
 
|ultimate leaflet atypical width=15mm;30mm
 
|ultimate leaflet length=20mm;30mm
 
|ultimate leaflet width=8mm;15mm
 
|ultimate lobe shape=linear-lanceolate
 
|whole_organism architecture=caulescent
 
|whole_organism duration=perennial
 
|whole_organism pubescence=glaucous
 
 
}}<!--
 
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-->[[Category:Treatment]][[Category:Dicentra]]
 
-->[[Category:Treatment]][[Category:Dicentra]]

Revision as of 13:53, 27 July 2019

Lants perennial, caulescent, glaucous, from stout taproots. Stems 1 or more, rigidly erect, 10-20(-40) dm, 2-3 cm or more diam. at base. Leaves (12-)25-35(-50) × (6-)10-20(-35) cm; blade with 4 orders of leaflets and lobes; ultimate leaflets (10-)20-30(-60) × (5-)8-15(-30) mm, ultimate lobes linear-lanceolate. Inflorescences terminal, paniculate, 5-many-flowered, subglobose; bracts nearly round to ovate, 4-8 × 3-7 mm, margins entire. Flowers erect; pedicel rigid, 2-10 mm; sepals nearly round to ovate, (5-)7-10(-12) × 3-7(-9) mm; petals dull to yellowish white; outer petals purple-tipped, (15-)22-26(-30) mm, reflexed portion 5-12 mm; inner petals (15-)20-22(-24) mm, claw 6-9 mm and 2/3 width of blade, crest 3-5 mm diam., exceeding apex by 2-4 mm; filaments of each bundle connate from base to shortly below anthers, rarely distinct from near base; nectariferous tissue borne at base of median filament, not projecting into outer petal; stigma shallowly 2-horned, ca. 2 times wider than long. Capsules ovoid, attenuate at both ends, (10-)20-30(-35) × 5-8 mm. Seeds slightly reniform, ca. 1.3 (rarely to 2) mm diam., densely covered with tiny protuberances, elaiosome absent. 2n = 32.


Phenology: Flowering early spring–late summer.
Habitat: Dry gravelly hillsides, gullies, and disturbed areas, often invading after fire
Elevation: 15-2200 m

Discussion

The seeds of Dicentra ochroleuca usually do not germinate unless desiccated or seared by fire.

Selected References

None.

Lower Taxa

None.