View source for Polymnia

{{Treatment/ID
|accepted_name=Polymnia
|accepted_authority=Kalm in C. Linnaeus
|publications={{Treatment/Publication
|title=Sp. Pl.
|place=2: 926. 1753
|year=1753
}}{{Treatment/Publication
|title=Gen. Pl. ed.
|place=5, 396. 1754
|year=1754
}}
|basionyms=
|synonyms=
|hierarchy=Asteraceae;Asteraceae tribe Heliantheae;Asteraceae (tribe Heliantheae) subtribe Polymniinae;Polymnia
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Asteraceae]]</div><div class="higher-taxon"><small>tribe</small>[[Asteraceae tribe Heliantheae]]</div><div class="higher-taxon"><small>subtribe</small>[[Asteraceae (tribe Heliantheae) subtribe Polymniinae]]</div><div class="higher-taxon"><small>genus</small>[[Polymnia]]</div></div>
|etymology=Greek Polymnia, muse of sacred music and dance
|volume=Volume 21
|mention_page=page 38
|treatment_page=page 39
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Annuals </b>or perennials, 50–150+ cm (often rhizomatous). <b>Stems</b> erect, branched distally. <b>Leaves</b> all or mostly cauline; opposite; petiolate (petioles often ± winged, often with connate-perfoliate basal appendages); blades (pinnately nerved) deltate or rounded-rhombic to cordate or ovate, often raggedly pinnately lobed (lobes 3–11), ultimate margins coarsely toothed to denticulate or entire, faces pilose or pilosulous to hirtellous, or glabrate, or glabrous, gland-dotted and/or stipitate-glandular. <b>Heads</b> usually radiate, rarely ± disciform, (2–5+) in loose to congested, corymbiform clusters. <b>Calyculi</b> 0. <b>Involucres</b> hemispheric, 4–15+ mm diam. <b>Phyllaries</b> persistent, 6–21+ in 2 series (distinct, outer 2–6 ovate to linear, ± herbaceous, inner ovate to lanceolate, subequal to or shorter than outer, more scarious, similar to paleae). <b>Receptacles</b> flat to convex, paleate (paleae obovate to oblanceolate or spatulate, herbaceous to scarious). <b>Ray</b> florets 2–6, pistillate, fertile; corollas pale yellowish to whitish (tubes pilosulous, laminae ± cuneate to linear, 3-lobed, sometimes absent or nearly so). <b>Disc</b> florets 12–30+, functionally staminate; corollas pale yellow, tubes shorter than abruptly dilated throats, lobes 5, deltate to lance-ovate. <b>Cypselae</b> plumply pyriform, ± obcompressed, 3–6-angled or -ribbed, finely striate between ribs (narrowed at bases, patently inserted on receptacles, often minutely beaked), sparsely hirtellous or glabrate; pappi 0. <b>x</b> = 15.</span><!--

-->{{Treatment/Body
|distribution=c;e North America.
|discussion=<p>Species 3 (3 in the flora).</p>
|tables=
|references={{Treatment/Reference
|id=wells1965a
|text=Wells, J. R. 1965. A taxonomic study of Polymnia (Compositae). Brittonia 17: 144–159.
}}
}}<!--

--><div class="treatment-key">
==Key==
<div class="treatment-key-group">
  
{| class="wikitable fna-keytable"
|-id=key-0-1
|1
|Annuals; blades of larger leaves shallowly, if at all, pinnately lobed
|[[Polymnia cossatotensis|Polymnia cossatotensis]]
|-id=key-0-1
|1
|Perennials; blades of larger leaves usually deeply pinnately lobed
|[[#key-0-2| > 2]]
|-id=key-0-2
|2
|Stems pilosulous to villous and/or stipitate-glandular; cypselae 3-angled or -ribbed
|[[Polymnia canadensis|Polymnia canadensis]]
|-id=key-0-2
|2
|Stems glabrous or glabrate; cypselae 4–6-angled or -ribbed
|[[Polymnia laevigata|Polymnia laevigata]]
|}
</div></div><!--

-->{{#Taxon:
name=Polymnia
|author=John L. Strother
|authority=Kalm in C. Linnaeus
|rank=genus
|parent rank=subtribe
|synonyms=
|basionyms=
|family=Asteraceae
|illustrator=Linda Ann Vorobik
|distribution=c;e North America.
|reference=wells1965a
|publication title=Sp. Pl.;Gen. Pl. ed.
|publication year=1753;1754
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V19-20-21/V21_75.xml
|tribe=Asteraceae tribe Heliantheae
|subtribe=Asteraceae (tribe Heliantheae) subtribe Polymniinae
|genus=Polymnia
}}<!--

-->[[Category:Treatment]][[Category:Asteraceae (tribe Heliantheae) subtribe Polymniinae]]