Difference between revisions of "Packera bolanderi"
Phytologia 49: 45. 1981.
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|place=49: 45. 1981 | |place=49: 45. 1981 | ||
|year=1981 | |year=1981 | ||
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| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=E | ||
| + | |label=Endemic | ||
}} | }} | ||
|basionyms={{Treatment/ID/Basionym | |basionyms={{Treatment/ID/Basionym | ||
|name=Senecio bolanderi | |name=Senecio bolanderi | ||
|authority=A. Gray | |authority=A. Gray | ||
| + | |rank=species | ||
|publication_title=Proc. Amer. Acad. Arts | |publication_title=Proc. Amer. Acad. Arts | ||
|publication_place=7: 362. 1868 | |publication_place=7: 362. 1868 | ||
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| − | |distribution= | + | |distribution=Calif.;Oreg.;Wash. |
|discussion=<p>Varieties 2 (2 in the flora).</p><!-- | |discussion=<p>Varieties 2 (2 in the flora).</p><!-- | ||
--><p>The two varieties of <i>Packera bolanderi</i> have been treated as species. The morphologic characteristics used to distinguish the varieties vary widely within some populations. Presence or absence of multicellular hairs has been used to separate the varieties; that trait is also variable. The morphologic distinction is weak; habitat and elevation records lend support for recognizing two varieties.</p> | --><p>The two varieties of <i>Packera bolanderi</i> have been treated as species. The morphologic characteristics used to distinguish the varieties vary widely within some populations. Presence or absence of multicellular hairs has been used to separate the varieties; that trait is also variable. The morphologic distinction is weak; habitat and elevation records lend support for recognizing two varieties.</p> | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Packera bolanderi | name=Packera bolanderi | ||
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|authority=(A. Gray) W. A. Weber & Á. Löve | |authority=(A. Gray) W. A. Weber & Á. Löve | ||
|rank=species | |rank=species | ||
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|basionyms=Senecio bolanderi | |basionyms=Senecio bolanderi | ||
|family=Asteraceae | |family=Asteraceae | ||
| − | |distribution= | + | |distribution=Calif.;Oreg.;Wash. |
|reference=None | |reference=None | ||
|publication title=Phytologia | |publication title=Phytologia | ||
|publication year=1981 | |publication year=1981 | ||
| − | |special status= | + | |special status=Endemic |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V19-20-21/V20_1287.xml |
|tribe=Asteraceae tribe Senecioneae | |tribe=Asteraceae tribe Senecioneae | ||
|genus=Packera | |genus=Packera | ||
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| + | [[Category:Treatment]] | ||
| + | [[Category:Packera]] | ||
| + | [[Category:Revised Since Print]] | ||
Latest revision as of 18:32, 6 November 2020
Perennials, 20–50+ cm; fibrous-rooted (caudices creeping). Stems 1 or 2–3, loosely clustered, glabrous. Basal leaves (and proximal cauline) petiolate; blades ± orbiculate to oblong, or lyrate (lateral lobes 1–3 pairs, sinuses usually rounded, midribs usually winged), 50–120+ × 30–70+ mm, bases cordate to subcordate, margins shallowly to deeply incised. Cauline leaves gradually reduced (petiolate or sessile and clasping; lanceolate, incised). Heads 8–15+ in corymbiform or subumbelliform arrays. Peduncles ebracteate or inconspicuously bracteate, glabrous. Calyculi conspicuous. Phyllaries (8), 13, or 21, dark green, 5–8 mm, glabrous or sparsely tomentose proximally. Ray florets 8 or 13; corolla laminae 10–15+ mm. Disc florets 30–45+; corolla tubes 3–4 mm, limbs 3.5–4.5 mm. Cypselae 2.5–3.5 mm, glabrous; pappi 5–7 mm. 2n = 46.
Distribution
Calif., Oreg., Wash.
Discussion
Varieties 2 (2 in the flora).
The two varieties of Packera bolanderi have been treated as species. The morphologic characteristics used to distinguish the varieties vary widely within some populations. Presence or absence of multicellular hairs has been used to separate the varieties; that trait is also variable. The morphologic distinction is weak; habitat and elevation records lend support for recognizing two varieties.
Selected References
None.
Key
| 1 | Basal leaves (relatively thick and turgid); phyllaries 13 or 21, 6–8+ mm, hairy proximally (hairs tan or brownish, multicelled) | Packera bolanderi var. bolanderi |
| 1 | Basal leaves (relatively thin); phyllaries 8, 13, (or 21), 5–6 mm, glabrous | Packera bolanderi var. harfordii |