Difference between revisions of "Delphinium glaucum"
Bot. California 2: 427. 1880.
Common names: Mountain larkspur Brown's larkspur Hooker's larkspur pale-flowered Brown's larkspur duncecap larkspur giant larkspur tall larkspur western larkspur
EndemicIllustrated
Synonyms: Delphinium scopulorum var. glaucum (S. Watson) A. Gray Delphinium splendens G. N. Jones
Treatment appears in FNA Volume 3.
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|common_names=Mountain larkspur;Brown's larkspur;Hooker's larkspur;pale-flowered Brown's larkspur;duncecap larkspur;giant larkspur;tall larkspur;western larkspur | |common_names=Mountain larkspur;Brown's larkspur;Hooker's larkspur;pale-flowered Brown's larkspur;duncecap larkspur;giant larkspur;tall larkspur;western larkspur | ||
|special_status={{Treatment/ID/Special_status | |special_status={{Treatment/ID/Special_status | ||
| + | |code=W2 | ||
| + | |label= | ||
| + | }}{{Treatment/ID/Special_status | ||
|code=E | |code=E | ||
|label=Endemic | |label=Endemic | ||
}}{{Treatment/ID/Special_status | }}{{Treatment/ID/Special_status | ||
|code=F | |code=F | ||
| − | |label= | + | |label=Illustrated |
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|basionyms= | |basionyms= | ||
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|name=Delphinium scopulorum var. glaucum | |name=Delphinium scopulorum var. glaucum | ||
|authority=(S. Watson) A. Gray | |authority=(S. Watson) A. Gray | ||
| − | }}{{Treatment/ID/Synonym | + | |rank=variety |
| + | }} {{Treatment/ID/Synonym | ||
|name=Delphinium splendens | |name=Delphinium splendens | ||
|authority=G. N. Jones | |authority=G. N. Jones | ||
| + | |rank=species | ||
}} | }} | ||
|hierarchy=Ranunculaceae;Delphinium;Delphinium sect. Diedropetala;Delphinium subsect. Exaltata;Delphinium glaucum | |hierarchy=Ranunculaceae;Delphinium;Delphinium sect. Diedropetala;Delphinium subsect. Exaltata;Delphinium glaucum | ||
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| − | --><span class="statement" id="st- | + | --><span class="statement" id="st-undefined" data-properties=""><b>Stems </b>(60-)100-200(-300) cm; base usually green, glabrous, glaucous. <b>Leaves</b> cauline, 15-20, absent from proximal 1/5 of stem at anthesis; petiole 1-14 cm. <b>Leaf</b> blade round to pentagonal, 2-11 × 3-18 cm, margins seldom laciniate, glabrous; ultimate lobes 5-9(-15), width 5-24(-35) mm, tips abruptly tapered to mucronate apex; midcauline leaf lobes more than 3 times longer than wide. <b>Inflorescences</b> (13-)40-90(-140)-flowered; pedicel 1-3(-5) cm, puberulent or glabrous; bracteoles 2-6(-10) mm from flowers, green to blue, linear, 2-7 mm, puberulent or glabrous. <b>Flowers</b>: sepals bluish purple to lavender, puberulent, lateral sepals forward pointing to spreading, 8-14(-21) × 3-6 mm, spurs straight, ascending to ca. 45°, 10-15(-19) mm; lower petal blades ± covering stamens, 4-6 mm, clefts 1-3 mm; hairs centered, mostly near base of cleft, white. <b>Fruits</b> 9-20 mm, 3.5-4.5 times longer than wide, glabrous to puberulent. <b>Seeds</b> wing-margined; seed coat cells elongate but short, surfaces smooth or roughened. <b>2n</b> = 16.</span><!-- |
-->{{Treatment/Body | -->{{Treatment/Body | ||
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|elevation=0-3200 m | |elevation=0-3200 m | ||
|distribution=Alta.;B.C.;Man.;N.W.T.;Sask.;Yukon;Alaska;Calif.;Colo.;Idaho;Mont.;Nev.;Oreg.;Utah;Wash.;Wyo. | |distribution=Alta.;B.C.;Man.;N.W.T.;Sask.;Yukon;Alaska;Calif.;Colo.;Idaho;Mont.;Nev.;Oreg.;Utah;Wash.;Wyo. | ||
| − | |discussion=<p>At the sites in Manitoba and Saskatchewan, Delphinium glaucum is naturalized, not native.</p><!-- | + | |discussion=<p>At the sites in Manitoba and Saskatchewan, <i>Delphinium glaucum</i> is naturalized, not native.</p><!-- |
| − | --><p>Delphinium glaucum hybridizes extensively with D. barbeyi in Utah and Colorado to the extent that hybrids [D. ×occidentale (S. Watson) S. Watson] are more common in many areas than individuals of either parental stock. It occasionally hybridizes with D. distichum, D. polycladon, D. ramosum, and D. stachydeum. Hybrids with D. brachycentrum are called D. ×nutans A. Nelson.</p><!-- | + | --><p><i>Delphinium glaucum</i> hybridizes extensively with <i>D. barbeyi</i> in Utah and Colorado to the extent that hybrids [D. ×occidentale (S. Watson) S. Watson] are more common in many areas than individuals of either parental stock. It occasionally hybridizes with <i>D. distichum</i>, <i>D. polycladon</i>, <i>D. ramosum</i>, and <i>D. stachydeum</i>. Hybrids with <i>D. brachycentrum</i> are called D. ×nutans A. Nelson.</p><!-- |
| − | --><p>Tremendous variation is apparent in what is here recognized as Delphinium glaucum. This is the northern expression of the complex described in the discussion under Delphinium | + | --><p>Tremendous variation is apparent in what is here recognized as <i>Delphinium glaucum</i>. This is the northern expression of the complex described in the discussion under <i>Delphinium sub</i>sect.<i> Exaltata</i>. Although some geographic patterns are apparent in the variation within <i>D. glaucum</i>, infraspecific entities are not here recognized. Apparently because of rather recent and/or incomplete genetic isolation, the degree of differentiation between these units is not such that they can be consistently recognized.</p><!-- |
| − | --><p>Specimens named Delphinium splendens represent plants grown in high-moisture, low-light conditions and may occur as sporadic individuals anywhere from California to Alaska. Type specimens of D. brownii Rydberg, D. canmorense Rydberg, and D. hookeri A. Nelson represent plants grown on relatively dry sites at high latitudes. Plants from dry sites at low latitudes are represented by D. bakerianum Bornmüller and D. occidentale var. reticulatum A. Nelson. Plants with lavender to white flowers are represented by type specimens of D. brownii forma pallidiflorum B. Boivin and D. cucullatum A. Nelson. Type specimens of D. alatum A. Nelson and D. glaucum var. alpinum F. L. Wynd (an invalid name) represent plants growing above or near treeline.</p><!-- | + | --><p>Specimens named <i>Delphinium</i> splendens represent plants grown in high-moisture, low-light conditions and may occur as sporadic individuals anywhere from California to Alaska. Type specimens of D. brownii Rydberg, D. canmorense Rydberg, and D. hookeri A. Nelson represent plants grown on relatively dry sites at high latitudes. Plants from dry sites at low latitudes are represented by D. bakerianum Bornmüller and D. occidentale var. reticulatum A. Nelson. Plants with lavender to white flowers are represented by type specimens of D. brownii forma pallidiflorum B. Boivin and D. cucullatum A. Nelson. Type specimens of D. alatum A. Nelson and <i>D. glaucum</i> <i></i>var.<i> alpinum</i> F. L. Wynd (an invalid name) represent plants growing above or near treeline.</p><!-- |
| − | --><p>Delphinium glaucum may be confused with D. californicum, D. exaltatum, D. polycladon, or D. stachydeum. For distinctions from D. californicum, see discussion under that species. Absence of basal or proximal cauline leaves, generally much larger plants (greater than 1.5 m), more flowers in the inflorescence, and shorter petioles on the leaves of D. glaucum are features that serve to distinguish this species from D. polycladon. In the latter, the leaves are primarily on the proximal stem, plants often less than 1.5 m, flowers more scattered, and petioles more than twice the length of leaf blades. Features of the sepals may be used to distinguish D. glaucum (dark lavender to blue purple, usually only minutely puberulent) from D. stachydeum (bright blue, densely puberulent). Vegetative parts of D. stachydeum are also densely puberulent, while those of D. glaucum typically are glabrous.</p> | + | --><p><i>Delphinium glaucum</i> may be confused with <i>D. californicum</i>, <i>D. exaltatum</i>, <i>D. polycladon</i>, or <i>D. stachydeum</i>. For distinctions from <i>D. californicum</i>, see discussion under that species. Absence of basal or proximal cauline leaves, generally much larger plants (greater than 1.5 m), more flowers in the inflorescence, and shorter petioles on the leaves of <i>D. glaucum</i> are features that serve to distinguish this species from <i>D. polycladon</i>. In the latter, the leaves are primarily on the proximal stem, plants often less than 1.5 m, flowers more scattered, and petioles more than twice the length of leaf blades. Features of the sepals may be used to distinguish <i>D. glaucum</i> (dark lavender to blue purple, usually only minutely puberulent) from <i>D. stachydeum</i> (bright blue, densely puberulent). Vegetative parts of <i>D. stachydeum</i> are also densely puberulent, while those of <i>D. glaucum</i> typically are glabrous.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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name=Delphinium glaucum | name=Delphinium glaucum | ||
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|authority=S. Watson | |authority=S. Watson | ||
|rank=species | |rank=species | ||
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|publication title=Bot. California | |publication title=Bot. California | ||
|publication year=1880 | |publication year=1880 | ||
| − | |special status=Endemic; | + | |special status=W2;Endemic;Illustrated |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V3/V3_744.xml |
|genus=Delphinium | |genus=Delphinium | ||
|section=Delphinium sect. Diedropetala | |section=Delphinium sect. Diedropetala | ||
|subsection=Delphinium subsect. Exaltata | |subsection=Delphinium subsect. Exaltata | ||
|species=Delphinium glaucum | |species=Delphinium glaucum | ||
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Latest revision as of 22:51, 5 November 2020
Stems (60-)100-200(-300) cm; base usually green, glabrous, glaucous. Leaves cauline, 15-20, absent from proximal 1/5 of stem at anthesis; petiole 1-14 cm. Leaf blade round to pentagonal, 2-11 × 3-18 cm, margins seldom laciniate, glabrous; ultimate lobes 5-9(-15), width 5-24(-35) mm, tips abruptly tapered to mucronate apex; midcauline leaf lobes more than 3 times longer than wide. Inflorescences (13-)40-90(-140)-flowered; pedicel 1-3(-5) cm, puberulent or glabrous; bracteoles 2-6(-10) mm from flowers, green to blue, linear, 2-7 mm, puberulent or glabrous. Flowers: sepals bluish purple to lavender, puberulent, lateral sepals forward pointing to spreading, 8-14(-21) × 3-6 mm, spurs straight, ascending to ca. 45°, 10-15(-19) mm; lower petal blades ± covering stamens, 4-6 mm, clefts 1-3 mm; hairs centered, mostly near base of cleft, white. Fruits 9-20 mm, 3.5-4.5 times longer than wide, glabrous to puberulent. Seeds wing-margined; seed coat cells elongate but short, surfaces smooth or roughened. 2n = 16.
Phenology: Flowering summer.
Habitat: Meadows, wet thickets, bogs, streamsides, open coniferous woods
Elevation: 0-3200 m
Distribution
Alta., B.C., Man., N.W.T., Sask., Yukon, Alaska, Calif., Colo., Idaho, Mont., Nev., Oreg., Utah, Wash., Wyo.
Discussion
At the sites in Manitoba and Saskatchewan, Delphinium glaucum is naturalized, not native.
Delphinium glaucum hybridizes extensively with D. barbeyi in Utah and Colorado to the extent that hybrids [D. ×occidentale (S. Watson) S. Watson] are more common in many areas than individuals of either parental stock. It occasionally hybridizes with D. distichum, D. polycladon, D. ramosum, and D. stachydeum. Hybrids with D. brachycentrum are called D. ×nutans A. Nelson.
Tremendous variation is apparent in what is here recognized as Delphinium glaucum. This is the northern expression of the complex described in the discussion under Delphinium subsect. Exaltata. Although some geographic patterns are apparent in the variation within D. glaucum, infraspecific entities are not here recognized. Apparently because of rather recent and/or incomplete genetic isolation, the degree of differentiation between these units is not such that they can be consistently recognized.
Specimens named Delphinium splendens represent plants grown in high-moisture, low-light conditions and may occur as sporadic individuals anywhere from California to Alaska. Type specimens of D. brownii Rydberg, D. canmorense Rydberg, and D. hookeri A. Nelson represent plants grown on relatively dry sites at high latitudes. Plants from dry sites at low latitudes are represented by D. bakerianum Bornmüller and D. occidentale var. reticulatum A. Nelson. Plants with lavender to white flowers are represented by type specimens of D. brownii forma pallidiflorum B. Boivin and D. cucullatum A. Nelson. Type specimens of D. alatum A. Nelson and D. glaucum var. alpinum F. L. Wynd (an invalid name) represent plants growing above or near treeline.
Delphinium glaucum may be confused with D. californicum, D. exaltatum, D. polycladon, or D. stachydeum. For distinctions from D. californicum, see discussion under that species. Absence of basal or proximal cauline leaves, generally much larger plants (greater than 1.5 m), more flowers in the inflorescence, and shorter petioles on the leaves of D. glaucum are features that serve to distinguish this species from D. polycladon. In the latter, the leaves are primarily on the proximal stem, plants often less than 1.5 m, flowers more scattered, and petioles more than twice the length of leaf blades. Features of the sepals may be used to distinguish D. glaucum (dark lavender to blue purple, usually only minutely puberulent) from D. stachydeum (bright blue, densely puberulent). Vegetative parts of D. stachydeum are also densely puberulent, while those of D. glaucum typically are glabrous.
Selected References
None.
Lower Taxa
None.