Difference between revisions of "Packera eurycephala"
Phytologia 49: 46. 1981.
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|year=1981 | |year=1981 | ||
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| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=E | ||
| + | |label=Endemic | ||
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|basionyms={{Treatment/ID/Basionym | |basionyms={{Treatment/ID/Basionym | ||
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| − | |distribution= | + | |distribution=Calif.;Oreg. |
|discussion=<p>Varieties 2 (2 in the flora).</p> | |discussion=<p>Varieties 2 (2 in the flora).</p> | ||
|tables= | |tables= | ||
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|basionyms=Senecio eurycephalus | |basionyms=Senecio eurycephalus | ||
|family=Asteraceae | |family=Asteraceae | ||
| − | |distribution= | + | |distribution=Calif.;Oreg. |
|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://bibilujan@bitbucket.org/aafc-mbb/fna-data-curation.git/src/bb6b7e3a7de7d3b7888a1ad48c7fd8f5c722d8d6/coarse_grained_fna_xml/V19-20-21/V20_1304.xml |
|tribe=Asteraceae tribe Senecioneae | |tribe=Asteraceae tribe Senecioneae | ||
|genus=Packera | |genus=Packera | ||
Revision as of 21:45, 27 May 2020
Perennials, 20–50+ cm, taprooted (caudices branched, ascending to erect, woody). Stems 1 or, usually, multiple, clustered, densely tomentose to glabrescent. Basal leaves (soon withering), petiolate; blades lyrate (lateral lobes 2–6+ pairs), ovate, obovate, or spatulate, 70–100+ × 20–30+ mm, bases tapering, ultimate margins irregularly and coarsely serrate-dentate. Cauline leaves gradually reduced (± petiolate, proximal and mid similar to basal, terminal lobes smaller than laterals; distal sessile, incised). Heads 5–20+ in open or compact (rarely), cymiform arrays. Peduncles bracteate, sparsely to densely lanate-tomentose. Calyculi inconspicuous (bractlets tomentose). Phyllaries 13 or 21, green (tips sometimes yellow), 8–10+ mm, densely tomentose proximally, glabrescent distally. Ray florets 8 or 13; corolla laminae 10–15 mm. Disc florets 35–50+; corolla tubes 3.5–4.5 mm, limbs 2.5–3.5 mm. Cypselae 1–1.5 mm, glabrous; pappi 6–7 mm. 2n = 46.
Distribution
Calif., Oreg.
Discussion
Varieties 2 (2 in the flora).
Selected References
None.
Key
| 1 | Stems (1–)2–6; leaf blades: margins usually serrate-dentate, sometimes deeply dissected, midribs winged | Packera eurycephala var. eurycephala |
| 1 | Stems 1; leaf blades finely dissected, lateral lobes also dissected, midribs not or weakly winged | Packera eurycephala var. lewisrosei |