Difference between revisions of "Packera dimorphophylla"
Phytologia 49: 46. 1981.
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|place=49: 46. 1981 | |place=49: 46. 1981 | ||
|year=1981 | |year=1981 | ||
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| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=F | ||
| + | |label=Illustrated | ||
| + | }}{{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=Colo.;Idaho;Mont.;N.Mex.;Nev.;Utah;Wyo. |
|discussion=<p>Varieties 3 (3 in the flora).</p> | |discussion=<p>Varieties 3 (3 in the flora).</p> | ||
|tables= | |tables= | ||
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|basionyms=Senecio dimorphophyllus | |basionyms=Senecio dimorphophyllus | ||
|family=Asteraceae | |family=Asteraceae | ||
| − | |distribution= | + | |distribution=Colo.;Idaho;Mont.;N.Mex.;Nev.;Utah;Wyo. |
|reference=None | |reference=None | ||
|publication title=Phytologia | |publication title=Phytologia | ||
|publication year=1981 | |publication year=1981 | ||
| − | |special status= | + | |special status=Illustrated;Endemic |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V19-20-21/V20_1300.xml |
|tribe=Asteraceae tribe Senecioneae | |tribe=Asteraceae tribe Senecioneae | ||
|genus=Packera | |genus=Packera | ||
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| + | [[Category:Packera]] | ||
| + | [[Category:Revised Since Print]] | ||
Latest revision as of 18:19, 6 November 2020
Perennials, 10–30+ cm; fibrous-rooted (caudices horizontal to erect, relatively short and stout). Stems usually 1, rarely 2–3, clustered, glabrous. Basal leaves (relatively thick and turgid) petiolate (petioles broad-winged or narrow, delicate); blades ovate, ovate-orbiculate, oblong-lanceolate, orbiculate, suborbiculate, reniform, or subreniform, 10–50+ × 10–40 mm, bases tapering or subcordate to abruptly contracted, margins entire or crenate. Cauline leaves gradually reduced (proximal and mid sometimes as large as or larger than basal, sessile, oblanceolate to obovate, sometimes lyrate, sometimes auriculate and/or clasping, subentire to irregularly dissected; distal usually sessile, bractlike, sometimes larger). Heads 1–6+ in congested, corymbiform or subumbelliform arrays. Peduncles inconspicuously bracteate or ebracteate, glabrous. Calyculi conspicuous (bases of bractlets swollen). Phyllaries (8–)13 or 21, green (tips cyanic), 5–7+ mm, glabrous. Ray florets 8 or 13; corolla laminae (deep yellow to orange) 5–8+ mm. Disc florets 45–60+; corolla tubes 2–3 mm, limbs 2.5–3.5 mm. Cypselae 0.75–1.5 mm, glabrous, pappi 3–4 mm. 2n = 46.
Distribution
Colo., Idaho, Mont., N.Mex., Nev., Utah, Wyo.
Discussion
Varieties 3 (3 in the flora).
Selected References
None.
Lower Taxa
Key
| 1 | Basal leaves: petioles broad-winged, blades ovate to oblong-lanceolate, bases tapering; stems usually not branched | Packera dimorphophylla var. dimorphophylla |
| 1 | Basal leaves: petioles narrowly, if at all winged, blades suborbiculate, orbiculate, ovate-orbiculate, subreniform, or reniform, bases subcordate to abruptly contracted; stems branched or not branched | > 2 |
| 2 | Plants 30–50 cm; stems not branched; petiole lengths 1–3 times blades; Utah | Packera dimorphophylla var. intermedia |
| 2 | Plants 10–35 cm; stems frequently 1–3 times branched; petiole lengths 1–2 times blades; Idaho, Montana, Nevada, Wyoming | Packera dimorphophylla var. paysonii |