View source for Delphinium geyeri

{{Treatment/ID
|accepted_name=Delphinium geyeri
|accepted_authority=Greene
|publications={{Treatment/Publication
|title=Erythea
|place=2: 189. 1894
|year=1894
}}
|common_names=Geyer's larkspur;poisonweed
|special_status={{Treatment/ID/Special_status
|code=E
|label=Endemic
}}{{Treatment/ID/Special_status
|code=F
|label=Selected by author to be illustrated
}}{{Treatment/ID/Special_status
|code=W
|label=Weedy
}}
|basionyms=
|synonyms=
|hierarchy=Ranunculaceae;Delphinium;Delphinium sect. Diedropetala;Delphinium subsect. Wislizenana;Delphinium geyeri
|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. Wislizenana]]</div><div class="higher-taxon"><small>species</small>[[Delphinium geyeri]]</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>(15-) 30-60 (-80) cm;</span> <span class="statement" id="st-d0_s1" data-properties="base coloration;base pubescence">base usually reddish, puberulent.</span> <span class="statement" id="st-d0_s2" data-properties="leaf variability"><b>Leaves </b>distribution variable;</span> <span class="statement" id="st-d0_s3" data-properties="basal leaf quantity">basal leaves 0-4 at anthesis;</span> <span class="statement" id="st-d0_s4" data-properties="cauline leaf quantity">cauline leaves 4-22 at anthesis;</span> <span class="statement" id="st-d0_s5" data-properties="petiole some measurement">petiole 0.4-10 cm.</span> <span class="statement" id="st-d0_s6" data-properties="leaf-blade coloration;leaf-blade shape;leaf-blade length;leaf-blade width;leaf-blade pubescence"><b>Leaf-</b>blade light green, ± round, 1-5 × 1-6 cm, densely pubescent;</span> <span class="statement" id="st-d0_s7" data-properties="ultimate lobe quantity;ultimate lobe width;ultimate lobe some measurement;apex shape">ultimate lobes 7-20, width 2-5 mm (basal), 2-4 mm (cauline), apex gradually tapering to point;</span> <span class="statement" id="st-d0_s8" data-properties="vein prominence">veins obscure.</span> <span class="statement" id="st-d0_s9" data-properties="inflorescence architecture;inflorescence architecture;inflorescence shape"><b>Inflorescences </b>6-30 (-60) -flowered, ± open, cylindric;</span> <span class="statement" id="st-d0_s10" data-properties="pedicel orientation;pedicel orientation;pedicel orientation;pedicel atypical some measurement;pedicel some measurement;pedicel pubescence">pedicel ascending to spreading, 1-3 (-4) cm, puberulent;</span> <span class="statement" id="st-d0_s11" data-properties="bracteole location;bracteole coloration;bracteole shape;bracteole some measurement;bracteole pubescence">bracteoles 1-3 mm from flowers, green, lanceolate, 3-6 mm, puberulent.</span> <span class="statement" id="st-d0_s12" data-properties="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 bright blue, puberulent, lateral sepals spreading, 10-18 × 4-8 mm, spurs straight to slightly downcurved, ascending 0-30°, 11-16 mm;</span> <span class="statement" id="st-d0_s13" data-properties="petal blade prominence;petal blade some measurement;cleft some measurement">lower petal blades slightly elevated, ± exposing stamens, 4-8 mm, clefts 0.5-2 mm;</span> <span class="statement" id="st-d0_s14" data-properties="hair position;hair density;hair coloration;hair coloration;hair coloration">hairs centered, densest on inner lobes near base of cleft, white to light yellow.</span> <span class="statement" id="st-d0_s15" data-properties="fruit some measurement;fruit l w ratio;fruit count or density;fruit pubescence"><b>Fruits </b>11-15 mm, 3-3.5 times longer than wide, sparse puberulent.</span> <span class="statement" id="st-d0_s16" data-properties="seed architecture"><b>Seeds </b>unwinged;</span> <span class="statement" id="st-d0_s17" data-properties="margin course">seed-coat cells with margins straight, surfaces ± roughened.</span> <span class="statement" id="st-d0_s18" data-properties="surface relief or texture;2n chromosome quantity">2n = 16.</span><!--

-->{{Treatment/Body
|phenology=Flowering late spring–early summer.
|habitat=Grasslands or Artemisia-Cercocarpus scrub
|elevation=1400-3000 m
|distribution=Colo.;Mont.;Nebr.;Utah;Wyo.
|discussion=<p>Apparently closely related to Delphinium stachydeum, D. geyeri is generally smaller, earlier flowering, with more finely dissected leaves and a more eastern geographic distribution.</p>
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Delphinium geyeri
|author=
|authority=Greene
|rank=species
|parent rank=subsection
|synonyms=
|basionyms=
|family=Ranunculaceae
|phenology=Flowering late spring–early summer.
|habitat=Grasslands or Artemisia-Cercocarpus scrub
|elevation=1400-3000 m
|distribution=Colo.;Mont.;Nebr.;Utah;Wyo.
|reference=None
|publication title=Erythea
|publication year=1894
|special status=Endemic;Selected by author to be illustrated;Weedy
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/287ef3db526bd807d435a3c7423ef2df1e951227/V3/V3_626.xml
|genus=Delphinium
|section=Delphinium sect. Diedropetala
|subsection=Delphinium subsect. Wislizenana
|species=Delphinium geyeri
|2n chromosome quantity=16
|apex shape=tapering
|basal leaf quantity=0;4
|base coloration=reddish
|base pubescence=puberulent
|bracteole coloration=green
|bracteole location=1mm;3mm
|bracteole pubescence=puberulent
|bracteole shape=lanceolate
|bracteole some measurement=3mm;6mm
|cauline leaf quantity=4;22
|cleft some measurement=0.5mm;2mm
|fruit count or density=sparse
|fruit l w ratio=3-3.5
|fruit pubescence=puberulent
|fruit some measurement=11mm;15mm
|hair coloration=white;light yellow
|hair density=densest
|hair position=centered
|inflorescence architecture=open;6-30(-60)-flowered
|inflorescence shape=cylindric
|lateral sepal length=10mm;18mm
|lateral sepal orientation=spreading
|lateral sepal width=4mm;8mm
|leaf variability=variable
|leaf-blade coloration=light green
|leaf-blade length=1cm;5cm
|leaf-blade pubescence=pubescent
|leaf-blade shape=round
|leaf-blade width=1cm;6cm
|margin course=straight
|pedicel atypical some measurement=3cm;4cm
|pedicel orientation=ascending;spreading
|pedicel pubescence=puberulent
|pedicel some measurement=1cm;3cm
|petal blade prominence=elevated
|petal blade some measurement=4mm;8mm
|petiole some measurement=0.4cm;10cm
|seed architecture=unwinged
|sepal coloration=bright blue
|sepal pubescence=puberulent
|spur course=straight
|spur orientation=ascending;downcurved
|spur some measurement=11mm;16mm
|stem atypical some measurement=60cm;80cm
|stem some measurement=30cm;60cm
|surface relief or texture=roughened
|ultimate lobe quantity=7;20
|ultimate lobe some measurement=2mm;4mm
|ultimate lobe width=2mm;5mm
|vein prominence=obscure
}}<!--

-->[[Category:Treatment]][[Category:Delphinium subsect. Wislizenana]]