familyRanunculaceae
genusDelphinium
subsectionDelphinium subsect. Echinata
speciesDelphinium hesperium
subspeciesDelphinium hesperium subsp. pallescens
Difference between revisions of "Delphinium hesperium subsp. pallescens"
Brittonia 8: 10. 1954.
Common names: Pale-flowered western larkspur
Endemic
Basionym: Delphinium hesperium A. Gray forma pallescens Ewan Univ. Colorado Stud., Ser. D, Phys. Sci. 2: 179. 1945
Treatment appears in FNA Volume 3.
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|name=Delphinium hesperium | |name=Delphinium hesperium | ||
|authority=A. Gray forma pallescens Ewan | |authority=A. Gray forma pallescens Ewan | ||
| + | |rank=species | ||
| + | |publication_title=Univ. Colorado Stud., Ser. D, Phys. Sci. | ||
| + | |publication_place=2: 179. 1945 | ||
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| − | --><span class="statement" id="st- | + | --><span class="statement" id="st-undefined" data-properties=""><b>Stems </b>usually glabrous. <b>Inflorescences</b> usually fewer than 25-flowered, open; pedicel ± spreading. <b>Flowers</b>: sepals white to pinkish, rarely light blue, spreading, lateral sepals 10-15 mm, more than 4 mm wide, spurs 10-17 mm; lower petal blades 4-7 mm. <b>Fruits</b> 3-3.5 times longer than wide. <b>2n</b> = 16.</span><!-- |
-->{{Treatment/Body | -->{{Treatment/Body | ||
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|elevation=20-1000 m | |elevation=20-1000 m | ||
|distribution=Calif. | |distribution=Calif. | ||
| − | |discussion=<p>Delphinium hesperium subsp. pallescens grows only east of the Coast Range divide. It hybridizes with D. gypsophilum, D. parryi, D. recurvatum, D. uliginosum, and D. variegatum. Light blue sepals probably result from introgression involving D. variegatum, D. parryi, or D. hesperium subsp. hesperium. Intermediates are occasionally found between D. hesperium subsp. pallescens and subsp. hesperium (particularly in Napa County), but the two taxa remain, for the most part, geographically isolated.</p><!-- | + | |discussion=<p><i>Delphinium hesperium </i>subsp.<i> pallescens</i> grows only east of the Coast Range divide. It hybridizes with <i>D. gypsophilum</i>, <i>D. parryi</i>, <i>D. recurvatum</i>, <i>D. uliginosum</i>, and <i>D. variegatum</i>. Light blue sepals probably result from introgression involving <i>D. variegatum</i>, <i>D. parryi</i>, or <i>D. hesperium </i>subsp.<i> hesperium</i>. Intermediates are occasionally found between <i>D. hesperium </i>subsp.<i> pallescens</i> and <i></i>subsp.<i> hesperium</i> (particularly in Napa County), but the two taxa remain, for the most part, geographically isolated.</p><!-- |
| − | --><p>Delphinium hesperium subsp. pallescens has sometimes been confused with D. gypsophilum or with white-flowered plants of D. hansenii; see discussion under those species.</p> | + | --><p><i>Delphinium hesperium </i>subsp.<i> pallescens</i> has sometimes been confused with <i>D. gypsophilum</i> or with white-flowered plants of <i>D. hansenii</i>; see discussion under those species.</p> |
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name=Delphinium hesperium subsp. pallescens | name=Delphinium hesperium subsp. pallescens | ||
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|authority=(Ewan) H. F. Lewis & Epling | |authority=(Ewan) H. F. Lewis & Epling | ||
|rank=subspecies | |rank=subspecies | ||
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|publication year=1954 | |publication year=1954 | ||
|special status=Endemic | |special status=Endemic | ||
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V3/V3_765.xml |
|genus=Delphinium | |genus=Delphinium | ||
|section=Delphinium sect. Diedropetala | |section=Delphinium sect. Diedropetala | ||
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|species=Delphinium hesperium | |species=Delphinium hesperium | ||
|subspecies=Delphinium hesperium subsp. pallescens | |subspecies=Delphinium hesperium subsp. pallescens | ||
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Latest revision as of 22:51, 5 November 2020
Stems usually glabrous. Inflorescences usually fewer than 25-flowered, open; pedicel ± spreading. Flowers: sepals white to pinkish, rarely light blue, spreading, lateral sepals 10-15 mm, more than 4 mm wide, spurs 10-17 mm; lower petal blades 4-7 mm. Fruits 3-3.5 times longer than wide. 2n = 16.
Phenology: Flowering spring.
Habitat: Open oak woods and grassland
Elevation: 20-1000 m
Discussion
Delphinium hesperium subsp. pallescens grows only east of the Coast Range divide. It hybridizes with D. gypsophilum, D. parryi, D. recurvatum, D. uliginosum, and D. variegatum. Light blue sepals probably result from introgression involving D. variegatum, D. parryi, or D. hesperium subsp. hesperium. Intermediates are occasionally found between D. hesperium subsp. pallescens and subsp. hesperium (particularly in Napa County), but the two taxa remain, for the most part, geographically isolated.
Delphinium hesperium subsp. pallescens has sometimes been confused with D. gypsophilum or with white-flowered plants of D. hansenii; see discussion under those species.
Selected References
None.
Lower Taxa
None.