View source for Swertia perennis

{{Treatment/ID
|accepted_name=Swertia perennis
|accepted_authority=Linnaeus
|publications={{Treatment/Publication
|title=Sp. Pl.
|place=1: 226. 1753
|year=1753
}}
|common_names=Star or mountain bog swertia;star-gentian
|special_status={{Treatment/ID/Special_status
|code=F
|label=Illustrated
}}
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Swertia perennis var. obtusa
|authority=(Ledebour) Grisebach
|rank=variety
}}
|hierarchy=Gentianaceae;Swertia;Swertia perennis
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Gentianaceae]]</div><div class="higher-taxon"><small>genus</small>[[Swertia]]</div><div class="higher-taxon"><small>species</small>[[Swertia perennis]]</div></div>
|volume=Volume 14
|mention_page=
|treatment_page=
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Herbs </b>0.8–6.5 dm. <b>Stems</b> usually 1 + 1–few rosettes. <b>Leaf</b> blades obtuse to subacute, not white-margined; basal and rosette blades spatulate-obovate to elliptic, 3–22 cm × 10–32 mm; cauline alternate, subopposite, or distal often opposite, blades elliptic-oblanceolate. <b>Inflorescences</b> narrow, open, often few-flowered. <b>Flowers</b> (4- or)5-merous; calyx 4–8 mm; corolla bluish white to violet-blue, sometimes with darker spots, or rarely greenish white, veins darker, 7–16 mm, lobes lanceolate-oblong, apex acute; corona low, ± fringed ridge; openings of foveae oval to round, rims fringed all around. <b>2n</b> = 28.</span><!--

-->{{Treatment/Body
|phenology=Flowering summer–early fall.
|habitat=Wet meadows, thickets, bogs, stream banks.
|elevation=0–3900 m.
|distribution=B.C.;Alaska;Ariz.;Calif.;Colo.;Idaho;Mont.;Nev.;N.Mex.;Oreg.;Utah;Wash.;Wyo.;restricted to high elevations southward;Eurasia.
|discussion=<p>A specimen considered perhaps to be from the Yukon Territory is more likely from British Columbia, but Swertia perennis should be expected in the Yukon.</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Swertia perennis
|authority=Linnaeus
|rank=species
|parent rank=genus
|synonyms=Swertia perennis var. obtusa
|basionyms=
|family=Gentianaceae
|phenology=Flowering summer–early fall.
|habitat=Wet meadows, thickets, bogs, stream banks.
|elevation=0–3900 m.
|distribution=B.C.;Alaska;Ariz.;Calif.;Colo.;Idaho;Mont.;Nev.;N.Mex.;Oreg.;Utah;Wash.;Wyo.;restricted to high elevations southward;Eurasia.
|reference=None
|publication title=Sp. Pl.
|publication year=1753
|special status=Illustrated
|source xml=
|genus=Swertia
|species=Swertia perennis
}}<!--

-->[[Category:Treatment]][[Category:Swertia]]