View source for Delphinium distichum

{{Treatment/ID
|accepted_name=Delphinium distichum
|accepted_authority=Geyer ex Hooker
|publications={{Treatment/Publication
|title=J. Bot.
|place=6: 68. 1847
|year=1847
}}
|common_names=Strict larkspur;meadow larkspur
|special_status={{Treatment/ID/Special_status
|code=E
|label=Endemic
}}{{Treatment/ID/Special_status
|code=F
|label=Selected by author to be illustrated
}}
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Delphinium strictum var. distichiflorum
|authority=(Hooker) H. St. John
}}
|hierarchy=Ranunculaceae;Delphinium;Delphinium sect. Diedropetala;Delphinium subsect. Depauperata;Delphinium distichum
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Ranunculaceae]]</div><div class="higher-taxon"><small>genus</small>[[Delphinium]]</div><div class="higher-taxon"><small>section</small>[[Delphinium sect. Diedropetala]]</div><div class="higher-taxon"><small>subsection</small>[[Delphinium subsect. Depauperata]]</div><div class="higher-taxon"><small>species</small>[[Delphinium distichum]]</div></div>
|volume=Volume 3
|mention_page=
|treatment_page=
}}<!--

--><span class="statement" id="st-d0_s0" data-properties="stem atypical some measurement;stem atypical some measurement;stem some measurement"><b>Stems </b>(25-) 30-60 (-80) cm;</span> <span class="statement" id="st-d0_s1" data-properties="base coloration;base pubescence">base sometimes reddish, puberulent.</span> <span class="statement" id="st-d0_s2" data-properties="leaf position;leaf position"><b>Leaves </b>basal and cauline;</span> <span class="statement" id="st-d0_s3" data-properties="basal leaf presence">basal leaves usually absent at anthesis;</span> <span class="statement" id="st-d0_s4" data-properties="cauline leaf atypical quantity;cauline leaf quantity">cauline leaves 9-18 (-28) at anthesis;</span> <span class="statement" id="st-d0_s5" data-properties="petiole some measurement">petiole 0-9 cm.</span> <span class="statement" id="st-d0_s6" data-properties="leaf-blade shape;leaf-blade shape;leaf-blade shape;leaf-blade length;leaf-blade width;leaf-blade pubescence"><b>Leaf-</b>blade cuneate to semicircular, 1-5 × 1.5-7 cm, puberulent;</span> <span class="statement" id="st-d0_s7" data-properties="ultimate lobe quantity;ultimate lobe atypical width;ultimate lobe width;ultimate lobe atypical some measurement;ultimate lobe some measurement">ultimate lobes 5-19, width 2-8 (-15) mm (basal), 0.5-3 (-5) mm (cauline);</span> <span class="statement" id="st-d0_s8" data-properties="arc quantity">margins of basal leaf, measured less than 1 cm from blade base, demarcating considerably more than 90° of arc when leaf laid flat;</span> <span class="statement" id="st-d0_s9" data-properties="">most cauline leaf-blades exceeding internodes.</span> <span class="statement" id="st-d0_s10" data-properties="inflorescence architecture;inflorescence density"><b>Inflorescences </b>8-30 (-40) -flowered, usually dense;</span> <span class="statement" id="st-d0_s11" data-properties="pedicel some measurement;pedicel pubescence">pedicel 0.5-1.5 cm, puberulent;</span> <span class="statement" id="st-d0_s12" data-properties="bracteole location;bracteole coloration;bracteole coloration;bracteole coloration;bracteole arrangement or course or shape;bracteole some measurement;bracteole pubescence">bracteoles 0-3 mm from flowers, green to blue, linear, 4-8 mm, puberulent.</span> <span class="statement" id="st-d0_s13" data-properties="sepal coloration;sepal coloration;sepal coloration;sepal pubescence;lateral sepal orientation;lateral sepal length;lateral sepal width;spur course;spur orientation;spur orientation;spur some measurement"><b>Flowers:</b> sepals dark blue to bluish purple, puberulent, lateral sepals ± erect, 8-12 × 3.5-5 mm, spurs straight, horizontal or nearly so, 9-15 mm;</span> <span class="statement" id="st-d0_s14" data-properties="petal blade some measurement;cleft some measurement">lower petal blades ± covering stamens, 4.5-6.5 mm, clefts 2-3 mm;</span> <span class="statement" id="st-d0_s15" data-properties="hair position;hair coloration">hairs centered mostly near base of cleft, white.</span> <span class="statement" id="st-d0_s16" data-properties="fruit some measurement;fruit l w ratio;fruit pubescence"><b>Fruits </b>7-13 mm, 3.5-4 times longer than wide, ± puberulent.</span> <span class="statement" id="st-d0_s17" data-properties="surface relief or texture"><b>Seeds:</b> seed-coat cells with surfaces roughened.</span> <span class="statement" id="st-d0_s18" data-properties="2n chromosome quantity">2n = 16.</span><!--

-->{{Treatment/Body
|phenology=Flowering late spring–early summer.
|habitat=Wet meadows
|elevation=100-2400 m
|distribution=B.C.;Idaho;Mont.;Oreg.;Wash.;Wyo.
|discussion=<p>Delphinium distichum hybridizes with D. multiplex and D. nuttallianum (D. ×diversicolor Rydberg). The name D. burkei has often been misapplied to D. distichum.</p>
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Delphinium distichum
|author=
|authority=Geyer ex Hooker
|rank=species
|parent rank=subsection
|synonyms=Delphinium strictum var. distichiflorum
|basionyms=
|family=Ranunculaceae
|phenology=Flowering late spring–early summer.
|habitat=Wet meadows
|elevation=100-2400 m
|distribution=B.C.;Idaho;Mont.;Oreg.;Wash.;Wyo.
|reference=None
|publication title=J. Bot.
|publication year=1847
|special status=Endemic;Selected by author to be illustrated
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/287ef3db526bd807d435a3c7423ef2df1e951227/V3/V3_187.xml
|genus=Delphinium
|section=Delphinium sect. Diedropetala
|subsection=Delphinium subsect. Depauperata
|species=Delphinium distichum
|2n chromosome quantity=16
|basal leaf presence=absent
|base coloration=reddish
|base pubescence=puberulent
|bracteole arrangement or course or shape=linear
|bracteole coloration=green;blue
|bracteole location=0mm;3mm
|bracteole pubescence=puberulent
|bracteole some measurement=4mm;8mm
|cauline leaf atypical quantity=18;28
|cauline leaf quantity=9;18
|cleft some measurement=2mm;3mm
|fruit l w ratio=3.5-4
|fruit pubescence=puberulent
|fruit some measurement=7mm;13mm
|hair coloration=white
|hair position=centered
|inflorescence architecture=8-30(-40)-flowered
|inflorescence density=dense
|lateral sepal length=8mm;12mm
|lateral sepal orientation=erect
|lateral sepal width=3.5mm;5mm
|leaf position=cauline;basal
|leaf-blade length=1cm;5cm
|leaf-blade pubescence=puberulent
|leaf-blade shape=cuneate;semicircular
|leaf-blade width=1.5cm;7cm
|pedicel pubescence=puberulent
|pedicel some measurement=0.5cm;1.5cm
|petal blade some measurement=4.5mm;6.5mm
|petiole some measurement=0cm;9cm
|sepal coloration=dark blue;bluish purple
|sepal pubescence=puberulent
|spur course=straight
|spur orientation=nearly;horizontal
|spur some measurement=9mm;15mm
|stem atypical some measurement=60cm;80cm
|stem some measurement=30cm;60cm
|surface relief or texture=roughened
|ultimate lobe atypical some measurement=3mm;5mm
|ultimate lobe atypical width=8mm;15mm
|ultimate lobe quantity=5;19
|ultimate lobe some measurement=0.5mm;3mm
|ultimate lobe width=2mm;8mm
}}<!--

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