Difference between revisions of "Delphinium luteum"

A. Heller

Bull. S. Calif. Acad. Sci. 6: 68. 1903.

Common names: Yellow larkspur
Conservation concernEndemic
Treatment appears in FNA Volume 3.
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--><span class="statement" id="st-d0_s0" data-properties="stem atypical some measurement;stem some measurement"><b>Stems </b>20-40 (-55) cm;</span> <span class="statement" id="st-d0_s1" data-properties="base coloration;base pubescence">base often reddish, nearly glabrous.</span> <span class="statement" id="st-d0_s2" data-properties=""><b>Leaves </b>mostly on proximal 1/4 of stem;</span> <span class="statement" id="st-d0_s3" data-properties="basal leaf quantity">basal leaves 4-9 at anthesis;</span> <span class="statement" id="st-d0_s4" data-properties="cauline leaf quantity">cauline leaves 2-4 at anthesis;</span> <span class="statement" id="st-d0_s5" data-properties="petiole some measurement">petiole 0.5-6 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 round to pentagonal, 1-5 × 2-10 cm, nearly glabrous;</span> <span class="statement" id="st-d0_s7" data-properties="ultimate lobe quantity;ultimate lobe width;ultimate lobe some measurement">ultimate lobes 3-5, width 8-30 mm (basal), 5-15 mm (cauline).</span> <span class="statement" id="st-d0_s8" data-properties="inflorescence architecture"><b>Inflorescences </b>5-25 (-37) -flowered;</span> <span class="statement" id="st-d0_s9" data-properties="pedicel atypical some measurement;pedicel atypical some measurement;pedicel some measurement;pedicel pubescence">pedicel (1-) 3-5 (-7) cm, puberulent;</span> <span class="statement" id="st-d0_s10" data-properties="bracteole atypical some measurement;bracteole location;bracteole coloration;bracteole shape;bracteole some measurement;bracteole pubescence">bracteoles 6-10 (-17) mm from flowers, green, linear-lanceolate, 6-7 mm, nearly glabrous.</span> <span class="statement" id="st-d0_s11" data-properties="sepal coloration;sepal pubescence;sepal orientation;sepal atypical length;sepal length;sepal atypical width;sepal width;lateral sepal texture;spur course;spur degree;spur some measurement"><b>Flowers:</b> sepals bright-yellow, puberulent, appearing waxy, lateral sepals ± forward pointing, (11-) 14-16 × (6-) 9-13 mm, spur straight, ca. 30° below horizontal, 11-20 mm;</span> <span class="statement" id="st-d0_s12" data-properties="petal blade prominence;petal blade some measurement;cleft some measurement">lower petal blades elevated, exposing stamens, 3-4 mm, clefts 0.5-1.5 mm;</span> <span class="statement" id="st-d0_s13" data-properties="hair quantity;hair presence;hair arrangement;hair presence;hair coloration;hair coloration;hair coloration">hairs sparse or absent, ± evenly distributed if present, white to yellow.</span> <span class="statement" id="st-d0_s14" data-properties="fruit some measurement;fruit l w ratio;fruit pubescence"><b>Fruits </b>11-14 mm, 3.5-4.5 times longer than wide, glabrous.</span> <span class="statement" id="st-d0_s15" data-properties="seed architecture"><b>Seeds </b>unwinged;</span> <span class="statement" id="st-d0_s16" data-properties="cell surface architecture or pubescence or relief">seed-coat cell surfaces smooth.</span><!--
+
--><span class="statement" id="st-undefined" data-properties=""><b>Stems </b>20-40(-55) cm; base often reddish, nearly glabrous. <b>Leaves</b> mostly on proximal 1/4 of stem; basal leaves 4-9 at anthesis; cauline leaves 2-4 at anthesis; petiole 0.5-6 cm. <b>Leaf</b> blade round to pentagonal, 1-5 × 2-10 cm, nearly glabrous; ultimate lobes 3-5, width 8-30 mm (basal), 5-15 mm (cauline). <b>Inflorescences</b> 5-25(-37)-flowered; pedicel (1-)3-5(-7) cm, puberulent; bracteoles 6-10(-17) mm from flowers, green, linear-lanceolate, 6-7 mm, nearly glabrous. <b>Flowers</b>: sepals bright yellow, puberulent, appearing waxy, lateral sepals ± forward pointing, (11-)14-16 × (6-)9-13 mm, spur straight, ca. 30° below horizontal, 11-20 mm; lower petal blades elevated, exposing stamens, 3-4 mm, clefts 0.5-1.5 mm; hairs sparse or absent, ± evenly distributed if present, white to yellow. <b>Fruits</b> 11-14 mm, 3.5-4.5 times longer than wide, glabrous. <b>Seeds</b> unwinged; seed coat cell surfaces smooth.</span><!--
  
 
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|publication year=1903
 
|publication year=1903
 
|special status=Conservation concern;Endemic
 
|special status=Conservation concern;Endemic
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/287ef3db526bd807d435a3c7423ef2df1e951227/V3/V3_1004.xml
+
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V3/V3_1004.xml
 
|genus=Delphinium
 
|genus=Delphinium
 
|section=Delphinium sect. Diedropetala
 
|section=Delphinium sect. Diedropetala
 
|subsection=Delphinium subsect. Bicoloria
 
|subsection=Delphinium subsect. Bicoloria
 
|species=Delphinium luteum
 
|species=Delphinium luteum
|basal leaf quantity=4;9
 
|base coloration=reddish
 
|base pubescence=glabrous
 
|bracteole atypical some measurement=10mm;17mm
 
|bracteole coloration=green
 
|bracteole location=6mm;10mm
 
|bracteole pubescence=glabrous
 
|bracteole shape=linear-lanceolate
 
|bracteole some measurement=6mm;7mm
 
|cauline leaf quantity=2;4
 
|cell surface architecture or pubescence or relief=smooth
 
|cleft some measurement=0.5mm;1.5mm
 
|fruit l w ratio=3.5-4.5
 
|fruit pubescence=glabrous
 
|fruit some measurement=11mm;14mm
 
|hair arrangement=distributed
 
|hair coloration=white;yellow
 
|hair presence=absent;absent
 
|hair quantity=sparse
 
|inflorescence architecture=5-25(-37)-flowered
 
|lateral sepal texture=ceraceous
 
|leaf-blade length=1cm;5cm
 
|leaf-blade pubescence=glabrous
 
|leaf-blade shape=round;pentagonal
 
|leaf-blade width=2cm;10cm
 
|pedicel atypical some measurement=5cm;7cm
 
|pedicel pubescence=puberulent
 
|pedicel some measurement=3cm;5cm
 
|petal blade prominence=elevated
 
|petal blade some measurement=3mm;4mm
 
|petiole some measurement=0.5cm;6cm
 
|seed architecture=unwinged
 
|sepal atypical length=11mm;14mm
 
|sepal atypical width=6mm;9mm
 
|sepal coloration=bright-yellow
 
|sepal length=14mm;16mm
 
|sepal orientation=pointing
 
|sepal pubescence=puberulent
 
|sepal width=9mm;13mm
 
|spur course=straight
 
|spur degree=30°
 
|spur some measurement=11mm;20mm
 
|stem atypical some measurement=40cm;55cm
 
|stem some measurement=20cm;40cm
 
|ultimate lobe quantity=3;5
 
|ultimate lobe some measurement=5mm;15mm
 
|ultimate lobe width=8mm;30mm
 
 
}}<!--
 
}}<!--
  
 
-->[[Category:Treatment]][[Category:Delphinium subsect. Bicoloria]]
 
-->[[Category:Treatment]][[Category:Delphinium subsect. Bicoloria]]

Revision as of 14:29, 27 July 2019

Stems 20-40(-55) cm; base often reddish, nearly glabrous. Leaves mostly on proximal 1/4 of stem; basal leaves 4-9 at anthesis; cauline leaves 2-4 at anthesis; petiole 0.5-6 cm. Leaf blade round to pentagonal, 1-5 × 2-10 cm, nearly glabrous; ultimate lobes 3-5, width 8-30 mm (basal), 5-15 mm (cauline). Inflorescences 5-25(-37)-flowered; pedicel (1-)3-5(-7) cm, puberulent; bracteoles 6-10(-17) mm from flowers, green, linear-lanceolate, 6-7 mm, nearly glabrous. Flowers: sepals bright yellow, puberulent, appearing waxy, lateral sepals ± forward pointing, (11-)14-16 × (6-)9-13 mm, spur straight, ca. 30° below horizontal, 11-20 mm; lower petal blades elevated, exposing stamens, 3-4 mm, clefts 0.5-1.5 mm; hairs sparse or absent, ± evenly distributed if present, white to yellow. Fruits 11-14 mm, 3.5-4.5 times longer than wide, glabrous. Seeds unwinged; seed coat cell surfaces smooth.


Phenology: Flowering late winter-mid spring.
Habitat: Wet cliffs, coastal grassland or chaparral
Elevation: 0-50 m

Discussion

Of conservation concern.

Delphinium luteum is presently known from only three populations. It is known to hybridize with D. decorum and with D. nudicaule. Populations of D. hesperium subsp. hesperium also occur at the type locality; D. luteum flowers earlier and hybrids are not known.

Delphinium luteum is not likely to be mistaken for any other species of Delphinium. It has been treated as a variety of D. nudicaule and is closely related to that species. Sepals of the infrequent yellow-flowered phase of D. nudicaule, however, have a much drabber appearance compared with the bright shining yellow of the sepals in D. luteum.

Selected References

None.

Lower Taxa

None.