Difference between revisions of "Delphinium decorum"
Ind. Sem. Hort. Petrop. 3: 650. 1837.
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|discussion=<p>Subspecies 2 (2 in the flora).</p><!-- | |discussion=<p>Subspecies 2 (2 in the flora).</p><!-- | ||
| − | --><p>Delphinium decorum and D. menziesii have been confused. Delphinium menziesii usually has darker, colorfast (nonfading) sepals with less lavender, and a more northern distribution than D. decorum. It also has more finely dissected leaves than D. decorum subsp. decorum.</p><!-- | + | --><p><i>Delphinium decorum</i> and <i>D. menziesii</i> have been confused. <i>Delphinium menziesii</i> usually has darker, colorfast (nonfading) sepals with less lavender, and a more northern distribution than <i>D. decorum</i>. It also has more finely dissected leaves than <i>D. decorum </i>subsp.<i> decorum</i>.</p><!-- |
| − | --><p>Often confused with Delphinium patens, D. decorum is sometimes circumscribed to include that species. The spreading, fading, blue-purple sepals, pubescent proximal portion of stems, and large lower petal blade of D. decorum, compared to the reflexed, colorfast, bluer sepals, proximally glabrous stems, and smaller lower petal blades of D. patens, adequately distinguish the two taxa.</p> | + | --><p>Often confused with <i>Delphinium patens</i>, <i>D. decorum</i> is sometimes circumscribed to include that species. The spreading, fading, blue-purple sepals, pubescent proximal portion of stems, and large lower petal blade of <i>D. decorum</i>, compared to the reflexed, colorfast, bluer sepals, proximally glabrous stems, and smaller lower petal blades of <i>D. patens</i>, adequately distinguish the two taxa.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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name=Delphinium decorum | name=Delphinium decorum | ||
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|authority=Fischer & C. A. Meyer | |authority=Fischer & C. A. Meyer | ||
|rank=species | |rank=species | ||
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|publication year=1837 | |publication year=1837 | ||
|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_1087.xml |
|genus=Delphinium | |genus=Delphinium | ||
|section=Delphinium sect. Diedropetala | |section=Delphinium sect. Diedropetala | ||
Latest revision as of 21:45, 5 November 2020
Stems 5-25(-42) cm; base reddish or not, at least two proximal internodes long-pubescent. Leaves mostly on proximal 1/3 of stem; basal leaves 1-6 at anthesis; cauline leaves 2-4 at anthesis; petiole 0.5-7 cm. Leaf blade deltate to pentagonal, 1-2.5 × 1.5-4.5 cm, ± puberulent; ultimate lobes 3-15, width 3-17 mm (basal), 1-8 mm (cauline), widest at middle or in proximal 1/2. Inflorescences 2-10(-20)-flowered; pedicel 1-4(-6) cm, puberulent to glabrous; bracteoles (3-)7-11(-21) mm from flowers, green to blue, linear-lanceolate, 6-9(-12) mm, puberulent. Flowers: sepals bluish purple (somewhat faded on drying), puberulent, lateral sepals spreading, (11-)15-20(-24) × 6-11(-15) mm, spur straight, 0-30° above horizontal, 13-20 mm; lower petal blades ± covering stamens, 6-11 mm, cleft 2-4 mm; hairs on entire surface, densest on inner lobes, yellow or white. Fruits 9-20 mm, 3-4.5 times longer than wide, glabrous to puberulent. Seeds wing-margined; seed coat cells ± aggregate in small wavy ridges, cell surfaces ± roughened, without swollen, blunt hairs.
Discussion
Subspecies 2 (2 in the flora).
Delphinium decorum and D. menziesii have been confused. Delphinium menziesii usually has darker, colorfast (nonfading) sepals with less lavender, and a more northern distribution than D. decorum. It also has more finely dissected leaves than D. decorum subsp. decorum.
Often confused with Delphinium patens, D. decorum is sometimes circumscribed to include that species. The spreading, fading, blue-purple sepals, pubescent proximal portion of stems, and large lower petal blade of D. decorum, compared to the reflexed, colorfast, bluer sepals, proximally glabrous stems, and smaller lower petal blades of D. patens, adequately distinguish the two taxa.
Selected References
None.
Key
| 1 | Leaf blade usually with 3–5 lobes longer than 1/2 leaf radius; 0–100 m. | Delphinium decorum subsp. decorum |
| 1 | Leaf blade usually with more than 5 lobes longer than 1/2 leaf radius; 700–2300 m. | Delphinium decorum subsp. tracyi |