View source for Delphinium treleasei

{{Treatment/ID
|accepted_name=Delphinium treleasei
|accepted_authority=Bush ex K. C. Davis
|publications={{Treatment/Publication
|title=Minnesota Bot. Stud.
|place=2: 444. 1900
|year=1900
}}
|common_names=Trelease's 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=
|hierarchy=Ranunculaceae;Delphinium;Delphinium sect. Diedropetala;Delphinium subsect. Grumosa;Delphinium treleasei
|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. Grumosa]]</div><div class="higher-taxon"><small>species</small>[[Delphinium treleasei]]</div></div>
|volume=Volume 3
|mention_page=
|treatment_page=
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Stems </b>(40-)60-80(-110) cm; base reddish, glabrous, glaucous. <b>Leaves</b> mostly basal; basal leaves 3-7 at anthesis; cauline leaves 1-3 at anthesis; petiole 0.5-19 cm. <b>Leaf</b> blade round to reniform, 0.5-8 × 2-20 cm, glabrous; ultimate lobes 3-35(-56), 5 or more extending more than 3/5 distance to petiole, width 2-6 mm (basal), 0.5-2 mm (cauline), widest at middle or in proximal 1/2. <b>Inflorescences</b> 5-30(-56)-flowered; pedicel (1-)2.5-7(-11) cm, glabrous; bracteoles 1-7(-46) mm from flowers, blue or green, awl-shaped, 1.5-4(-12) mm, glabrous. <b>Flowers</b>: sepals dark bright blue, usually retaining color upon drying, nearly glabrous, lateral sepals spreading, (10-)12-17(-20) × 4-8(-10) mm, spurs straight, ascending ca. 45°, 15-17 mm; lower petal blades ± covering stamens, 5-8 mm, clefts (1-)3-5 mm; hairs centered, densest above base of cleft, yellow. <b>Fruits</b> 12-18(-22) mm, 3-4 times longer than wide, glabrous. <b>Seeds</b> unwinged; seed coat cell surfaces smooth. <b>2n</b> = 16.</span><!--

-->{{Treatment/Body
|phenology=Flowering late spring.
|habitat=Open juniper glades on calcareous substrate
|elevation=250-450 m
|distribution=Ark.;Mo.
|discussion=<p><i>Delphinium treleasei</i> is locally abundant but extremely limited by microhabitat within its distributional range.</p><!--
--><p>Hybrids between <i>Delphinium treleasei</i> and <i>D. carolinianum </i>subsp.<i> carolinianum</i> are known.</p>
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Delphinium treleasei
|author=
|authority=Bush ex K. C. Davis
|rank=species
|parent rank=subsection
|synonyms=
|basionyms=
|family=Ranunculaceae
|phenology=Flowering late spring.
|habitat=Open juniper glades on calcareous substrate
|elevation=250-450 m
|distribution=Ark.;Mo.
|reference=None
|publication title=Minnesota Bot. Stud.
|publication year=1900
|special status=Endemic;Selected by author to be illustrated
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V3/V3_713.xml
|genus=Delphinium
|section=Delphinium sect. Diedropetala
|subsection=Delphinium subsect. Grumosa
|species=Delphinium treleasei
}}<!--

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