Difference between revisions of "Penstemon davidsonii"
Pittonia 2: 241. 1892. (as Pentstemon)
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|place=2: 241. 1892 | |place=2: 241. 1892 | ||
|year=1892 | |year=1892 | ||
| + | |other_info_on_pub=(as Pentstemon) | ||
}} | }} | ||
|common_names=Davidson’s beardtongue | |common_names=Davidson’s beardtongue | ||
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|name=Penstemon menziesii subsp. davidsonii | |name=Penstemon menziesii subsp. davidsonii | ||
|authority=(Greene) Piper | |authority=(Greene) Piper | ||
| + | |rank=subspecies | ||
}} | }} | ||
|hierarchy=Plantaginaceae;Penstemon;Penstemon subg. Dasanthera;Penstemon sect. Erianthera;Penstemon davidsonii | |hierarchy=Plantaginaceae;Penstemon;Penstemon subg. Dasanthera;Penstemon sect. Erianthera;Penstemon davidsonii | ||
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-->{{Treatment/Body | -->{{Treatment/Body | ||
| − | |distribution= | + | |distribution=B.C.;Calif.;Nev.;Oreg.;Wash. |
|discussion=<p>Varieties 3 (3 in the flora).</p><!-- | |discussion=<p>Varieties 3 (3 in the flora).</p><!-- | ||
--><p><i>Penstemon davidsonii</i> occurs mostly at high elevations in the Cascade Range and Sierra <i>Nevada</i>.</p> | --><p><i>Penstemon davidsonii</i> occurs mostly at high elevations in the Cascade Range and Sierra <i>Nevada</i>.</p> | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Penstemon davidsonii | name=Penstemon davidsonii | ||
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|authority=Greene | |authority=Greene | ||
|rank=species | |rank=species | ||
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|basionyms= | |basionyms= | ||
|family=Plantaginaceae | |family=Plantaginaceae | ||
| − | |distribution= | + | |distribution=B.C.;Calif.;Nev.;Oreg.;Wash. |
|reference=None | |reference=None | ||
|publication title=Pittonia | |publication title=Pittonia | ||
|publication year=1892 | |publication year=1892 | ||
|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/V17/V17_234.xml |
|genus=Penstemon | |genus=Penstemon | ||
|subgenus=Penstemon subg. Dasanthera | |subgenus=Penstemon subg. Dasanthera | ||
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}}<!-- | }}<!-- | ||
| − | -->[[Category:Treatment]][[Category:Penstemon sect. Erianthera]] | + | --> |
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| + | [[Category:Treatment]] | ||
| + | [[Category:Penstemon sect. Erianthera]] | ||
| + | [[Category:Revised Since Print]] | ||
Latest revision as of 19:14, 6 November 2020
Subshrubs, cespitose. Stems ascending to erect, 4–10(–17) cm, retrorsely hairy or puberulent, not glaucous. Leaves persistent, 5–10 pairs, distals usually distinctly smaller than proximals, short-petiolate or sessile, (5–)10–20(–30) × 4–11 mm, blade elliptic to orbiculate, ovate, or spatulate, base tapered, margins entire or serrulate, apex rounded to obtuse or acute, glabrous or obscurely puberulent, not glaucous. Thyrses continuous, ± secund, 1–6 cm, axis retrorsely hairy proximally, retrorsely hairy and glandular-pubescent distally, verticillasters (1 or)2–7, cymes 1-flowered; proximal bracts round to ovate or lanceolate, 3–12 × 1–6 mm, margins entire; peduncles and pedicels ascending to erect, glandular-pubescent, sometimes also puberulent. Flowers: calyx lobes lanceolate to linear, 7–12(–14) × 2.5–4.3 mm, glandular-pubescent; corolla lavender to bluish lavender, violet, or purple, essentially unlined internally but abaxial ridges usually lavender or white, nearly personate, funnelform, 20–45 mm, glabrous externally, sparsely to moderately white-villous internally abaxially, tube (4–)6–12 mm, throat 7–12 mm diam.; stamens included, pollen sacs 0.9–1.6 mm; staminode 7–14 mm, slightly flattened distally, 0.1–0.2 mm diam., tip straight, distal 4–7 mm sparsely to densely villous, hairs whitish, to 1 mm; style 19–26 mm. Capsules 8–13 × 5–8 mm.
Distribution
B.C., Calif., Nev., Oreg., Wash.
Discussion
Varieties 3 (3 in the flora).
Penstemon davidsonii occurs mostly at high elevations in the Cascade Range and Sierra Nevada.
Selected References
None.
Lower Taxa
Key
| 1 | Corollas (30–)34–45 mm; leaf blades elliptic to ovate, sometimes spatulate, margins entire. | Penstemon davidsonii var. praeteritus |
| 1 | Corollas 20–36 mm; leaf blades spatulate to orbiculate or elliptic, margins serrulate or entire. | > 2 |
| 2 | Leaf blade margins entire, sometimes serrulate, apices rounded to obtuse. | Penstemon davidsonii var. davidsonii |
| 2 | Leaf blade margins ± serrulate, apices rounded to obtuse or acute. | Penstemon davidsonii var. menziesii |