View source for Clematis occidentalis

{{Treatment/ID
|accepted_name=Clematis occidentalis
|accepted_authority=(Hornemann) de Candolle
|publications={{Treatment/Publication
|title=Prodr.
|place=1: 10. 1824
|year=1824
}}
|common_names=Purple clematis;clématite occidentale
|special_status={{Treatment/ID/Special_status
|code=E
|label=Endemic
}}
|basionyms={{Treatment/ID/Basionym
|name=Atragene occidentalis
|authority=Hornemann
|rank=species
|publication_title=Hort. Bot. Hafn.
|publication_place=2: 520. 1815
}}
|synonyms=
|hierarchy=Ranunculaceae;Clematis;Clematis subg. Atragene;Clematis occidentalis
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Ranunculaceae]]</div><div class="higher-taxon"><small>genus</small>[[Clematis]]</div><div class="higher-taxon"><small>subgenus</small>[[Clematis subg. Atragene]]</div><div class="higher-taxon"><small>species</small>[[Clematis occidentalis]]</div></div>
|volume=Volume 3
|mention_page=
|treatment_page=
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Stems </b>viny, climbing or trailing (plants scarcely viny perennials in <i></i>var.<i> dissecta</i>). <b>Leaf</b> blade 1-ternate (or terminal leaflet sometimes ternate in <i></i>var.<i> dissecta</i>), ± firm but not succulent; leaflets lance-ovate to triangular or suborbiculate, lobed or unlobed, margins entire or toothed. <b>Flowers</b>: sepals violet-blue, reddish violet, or white, lanceolate to ovate or elliptic-oblong.</span><!--

-->{{Treatment/Body
|distribution=Alta.;B.C.;N.B.;Ont.;Que.;Sask.;Yukon;Colo.;Conn.;Del.;Idaho;Ill.;Iowa;Maine;Mass.;Md.;Mich.;Minn.;Mont.;N.C.;N.H.;N.J.;N.Y.;Oreg.;Pa.;R.I.;Utah;Va.;Vt.;W.Va.;Wash.;Wis.;Wyo.
|discussion=<p>Varieties 3 (3 in the flora).</p>
|tables=
|references=
}}<!--

--><div class="treatment-key">
==Key==
<div class="treatment-key-group">
  
{| class="wikitable fna-keytable"
|-id=key-0-1
|1
|Leaflets lobed or unlobed, margins entire or crenate-serrate (or terminal leaflet sometimes ternate); stems tufted or, if viny, up to 0.5(–1.5) m.
|[[Clematis occidentalis var. dissecta|Clematis occidentalis var. dissecta]]
|-id=key-0-1
|1
|Leaflets unlobed or some 1–3-lobed, margins entire or shallowly serrate; stems ± viny, climbing or trailing, 0.25–3.5 m.
|[[#key-0-2| > 2]]
|-id=key-0-2
|2
|Sepals reddish violet, rounded-mucronate to nearly acuminate.
|[[Clematis occidentalis var. occidentalis|Clematis occidentalis var. occidentalis]]
|-id=key-0-2
|2
|Sepals violet-blue to pale blue, rarely white, usually distinctly acuminate.
|[[Clematis occidentalis var. grosseserrata|Clematis occidentalis var. grosseserrata]]
|}
</div></div><!--

-->{{#Taxon:
name=Clematis occidentalis
|authority=(Hornemann) de Candolle
|rank=species
|parent rank=subgenus
|synonyms=
|basionyms=Atragene occidentalis
|family=Ranunculaceae
|distribution=Alta.;B.C.;N.B.;Ont.;Que.;Sask.;Yukon;Colo.;Conn.;Del.;Idaho;Ill.;Iowa;Maine;Mass.;Md.;Mich.;Minn.;Mont.;N.C.;N.H.;N.J.;N.Y.;Oreg.;Pa.;R.I.;Utah;Va.;Vt.;W.Va.;Wash.;Wis.;Wyo.
|reference=None
|publication title=Prodr.
|publication year=1824
|special status=Endemic
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-data-curation.git/src/bb6b7e3a7de7d3b7888a1ad48c7fd8f5c722d8d6/coarse_grained_fna_xml/V3/V3_779.xml
|genus=Clematis
|subgenus=Clematis subg. Atragene
|species=Clematis occidentalis
}}<!--

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[[Category:Treatment]]
[[Category:Clematis subg. Atragene]]
[[Category:Revision Pending]]