familyRanunculaceae
genusDelphinium
subsectionDelphinium subsect. Wislizenana
speciesDelphinium stachydeum
Difference between revisions of "Delphinium stachydeum"
Proc. Biol. Soc. Wash. 27: 61. 1914.
Common names: Umatilla larkspur
EndemicSelected by author to be illustrated
Basionym: Delphinium scopulorum var. stachydeum A. Gray
Synonyms: Delphinium confertiflorum WootonDelphinium umatillense Ewan
Treatment appears in FNA Volume 3.
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| − | --><span class="statement" id="st- | + | --><span class="statement" id="st-undefined" data-properties=""><b>Stems </b>(40-)70-150(-200) cm; base reddish, puberulent. <b>Leaves</b> mostly on proximal 1/2 stem; basal leaves absent at anthesis; cauline leaves 8-16 at anthesis; petiole 0.5-17 cm. <b>Leaf</b> blade light green, ± round, 2-8 × 3.5-11 cm, sparsely pubescent; ultimate lobes 7-19, width 1-8 mm, apex tapering to point; veins obscure. <b>Inflorescences</b> (14-)30-60(-102)-flowered, dense, cylindric; pedicel spreading, 0.8-2(-3) cm, puberulent; bracteoles 1-4 mm from flowers, green, linear, 2-7(-10) mm, puberulent. <b>Flowers</b>: sepals bright blue, puberulent, lateral sepals spreading, 9-13 × 4-7 mm, spurs straight, within 30° above or below horizontal, 11-17 mm; lower petal blades ± covering stamens, 4-8 mm, clefts 0.5-2 mm; hairs sparse, centered, mostly near junction of blade and claw above base of cleft, white. <b>Fruits</b> 10-15 mm, 3.5-4.5 times longer than wide, puberulent. <b>Seeds</b> wing-margined; seed coat cells with margins straight, surfaces ± roughened.</span><!-- |
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|publication year=1914 | |publication year=1914 | ||
|special status=Endemic;Selected by author to be illustrated | |special status=Endemic;Selected by author to be illustrated | ||
| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna- | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V3/V3_481.xml |
|genus=Delphinium | |genus=Delphinium | ||
|section=Delphinium sect. Diedropetala | |section=Delphinium sect. Diedropetala | ||
|subsection=Delphinium subsect. Wislizenana | |subsection=Delphinium subsect. Wislizenana | ||
|species=Delphinium stachydeum | |species=Delphinium stachydeum | ||
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Revision as of 14:41, 27 July 2019
Stems (40-)70-150(-200) cm; base reddish, puberulent. Leaves mostly on proximal 1/2 stem; basal leaves absent at anthesis; cauline leaves 8-16 at anthesis; petiole 0.5-17 cm. Leaf blade light green, ± round, 2-8 × 3.5-11 cm, sparsely pubescent; ultimate lobes 7-19, width 1-8 mm, apex tapering to point; veins obscure. Inflorescences (14-)30-60(-102)-flowered, dense, cylindric; pedicel spreading, 0.8-2(-3) cm, puberulent; bracteoles 1-4 mm from flowers, green, linear, 2-7(-10) mm, puberulent. Flowers: sepals bright blue, puberulent, lateral sepals spreading, 9-13 × 4-7 mm, spurs straight, within 30° above or below horizontal, 11-17 mm; lower petal blades ± covering stamens, 4-8 mm, clefts 0.5-2 mm; hairs sparse, centered, mostly near junction of blade and claw above base of cleft, white. Fruits 10-15 mm, 3.5-4.5 times longer than wide, puberulent. Seeds wing-margined; seed coat cells with margins straight, surfaces ± roughened.
Phenology: Flowering summer.
Habitat: Swales in Artemisia scrub
Elevation: 1300-3000 m
Distribution
Calif., Idaho, Nev., Oreg., Wash.
Discussion
Populations of Delphinium stachydeum are widely scattered in isolated mountain ranges surrounded by desert or grassland. The species has been reported (visual sightings) from northwestern Utah; no specimens have been seen from there. Hybrids between D. stachydeum and D. glaucum have been reported. Although D. stachydeum has been seen flowering within 30 m of flowering D. depauperatum, no hybrids have been observed.
Delphinium stachydeum may possibly be confused with D. geyeri, from which it may be distinguished by its usually greater plant size, less pubescent foliage, and later flowering date. Delphinium stachydeum also may be confused with D. glaucum; see discussion under that species.
Selected References
None.
Lower Taxa
None.