View source for Packera hyperborealis

{{Treatment/ID
|accepted_name=Packera hyperborealis
|accepted_authority=(Greenman) Á. Löve & D. Löve
|publications={{Treatment/Publication
|title=Bot. Not.
|place=128: 520. 1976
|year=1976
}}
|common_names=Northern groundsel
|special_status={{Treatment/ID/Special_status
|code=E
|label=Endemic
}}
|basionyms={{Treatment/ID/Basionym
|name=Senecio hyperborealis
|authority=Greenman
|rank=species
|publication_title=Ann. Missouri Bot. Gard.
|publication_place=1: 264. 1914
}}
|synonyms=
|hierarchy=Asteraceae;Asteraceae tribe Senecioneae;Packera;Packera hyperborealis
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Asteraceae]]</div><div class="higher-taxon"><small>tribe</small>[[Asteraceae tribe Senecioneae]]</div><div class="higher-taxon"><small>genus</small>[[Packera]]</div><div class="higher-taxon"><small>species</small>[[Packera hyperborealis]]</div></div>
|volume=Volume 20
|mention_page=page 571, 575
|treatment_page=page 589
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Perennials,</b> 6–20+ cm; fibrous-rooted or rhizomatous (rhizomes horizontal to suberect, stout). <b>Stems</b> usually 1, sometimes multiple, bases and leaf axils tomentose, otherwise glabrous. <b>Basal</b> leaves (and proximal cauline) petiolate; blades oblanceolate to obovate or lyrate (pinnately lobed to pinnatifid, terminal lobes larger than laterals), 10–30+ × 10–20+ mm, bases tapering, ultimate margins ± crenate to serrate. <b>Cauline</b> leaves gradually to abruptly reduced (sessile; pinnatisect or entire). <b>Heads</b> 1–2(–5+) in cymiform arrays. <b>Peduncles</b> bracteate (bractlets purple-tinged), glabrous or glabrate. <b>Calyculi</b> 0 or inconspicuous (bractlets purple-tinged). <b>Phyllaries</b> 13, green (sometimes purple-tinged distally), 6–8 mm, glabrous. <b>Ray</b> florets 0 (rarely) or 10–12; corolla laminae 8–10 mm. <b>Disc</b> florets 45–60+; corolla tubes 3.5–4 mm, limbs 3–3.5 mm. <b>Cypselae</b> 1.5–2.5 mm, hirtellous on ribs; pappi 6–7 mm. <b>2n</b> = 46.</span><!--

-->{{Treatment/Body
|phenology=Flowering mid Jun–early Aug.
|habitat=Open, dry, rocky or sandy areas, sometimes in fertile soils overlaying limestone
|elevation=0–900 m
|distribution=N.W.T.;Nunavut;Yukon;Alaska.
|discussion=<p><i>Packera hyperborealis</i> is known only from lowland tundra from Alaska to the Mackenzie River and as far south as the northern end of the Franklin Mountains. It has also been collected as far north as Banks Island.</p>
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Packera hyperborealis
|authority=(Greenman) Á. Löve & D. Löve
|rank=species
|parent rank=genus
|synonyms=
|basionyms=Senecio hyperborealis
|family=Asteraceae
|phenology=Flowering mid Jun–early Aug.
|habitat=Open, dry, rocky or sandy areas, sometimes in fertile soils overlaying limestone
|elevation=0–900 m
|distribution=N.W.T.;Nunavut;Yukon;Alaska.
|reference=None
|publication title=Bot. Not.
|publication year=1976
|special status=Endemic
|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V19-20-21/V20_1315.xml
|tribe=Asteraceae tribe Senecioneae
|genus=Packera
|species=Packera hyperborealis
}}<!--

-->[[Category:Treatment]][[Category:Packera]]