View source for Thalictrum polycarpum

{{Treatment/ID
|accepted_name=Thalictrum polycarpum
|accepted_authority=(Torrey) S. Watson
|publications={{Treatment/Publication
|title=Proc. Amer. Acad. Arts
|place=14: 288. 1879
|year=1879
}}
|common_names=Tall western meadow-rue
|special_status={{Treatment/ID/Special_status
|code=F
|label=Selected by author to be illustrated
}}
|basionyms={{Treatment/ID/Basionym
|name=Thalictrum fendleri var. polycarpum
|authority=Torrey
|publication_title=Pacif. Railr. Rep.
|publication_place=4(5): 61. 1857
}}
|synonyms=
|hierarchy=Ranunculaceae;Thalictrum;Thalictrum sect. Heterogamia;Thalictrum polycarpum
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Ranunculaceae]]</div><div class="higher-taxon"><small>genus</small>[[Thalictrum]]</div><div class="higher-taxon"><small>section</small>[[Thalictrum sect. Heterogamia]]</div><div class="higher-taxon"><small>species</small>[[Thalictrum polycarpum]]</div></div>
|volume=Volume 3
|mention_page=
|treatment_page=
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Roots </b>fibrous. <b>Stems</b> erect, 6-18(-20) dm, glabrous. <b>Leaves</b> mostly cauline, petiolate. <b>Leaf</b> blade 3-4×-ternately compound; leaflets orbiculate to obovate, apically 3-cleft or 3-parted, divisions undivided or shallowly 3-lobed, 15-40 mm wide, lobes rounded or somewhat acute, surfaces glabrous or glandular. <b>Inflorescences</b> terminal, panicles, many flowered. <b>Flowers</b>: sepals whitish to purplish, elliptic to ovate or lanceolate, 2-4(-5) mm; filaments whitish to pinkish, 3-6 mm; anthers (1.4-)2-4 mm, distinctly apiculate. <b>Achenes</b> 10-15, spreading in globose heads, not reflexed, sessile or nearly so; stipe 0-0.6 mm; body nearly globose to obovoid to obliquely obovate, laterally compressed, somewhat inflated and papery, 4-7(-8) mm, glabrous to glandular, often with 1 or 2 primary veins on each side, veins sinuous, branched, anastomosing-reticulate; beak 2-4 mm.</span><!--

-->{{Treatment/Body
|phenology=Flowering mid-late spring (Apr–Jun).
|habitat=Streamsides and other moist places, forests, and open woodlands
|elevation=600-3100 m
|distribution=Calif.;Nev.;Oreg.;Utah;Mexico (Baja California).
|discussion=<p><i>Thalictrum polycarpum</i> is the only species in sect. Heterogamia with anastomosing-reticulate veins on the achene.</p><!--
--><p>The stems and roots of <i>Thalictrum polycarpum</i> are considered poisonous when ingested by humans or cattle; Native Americans used this species medicinally as a wash for headaches, as an applications for sprains, and as a universal charm and panacea (D. E. Moerman 1986).</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Thalictrum polycarpum
|author=
|authority=(Torrey) S. Watson
|rank=species
|parent rank=section
|synonyms=
|basionyms=Thalictrum fendleri var. polycarpum
|family=Ranunculaceae
|phenology=Flowering mid-late spring (Apr–Jun).
|habitat=Streamsides and other moist places, forests, and open woodlands
|elevation=600-3100 m
|distribution=Calif.;Nev.;Oreg.;Utah;Mexico (Baja California).
|reference=None
|publication title=Proc. Amer. Acad. Arts
|publication year=1879
|special status=Selected by author to be illustrated
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V3/V3_372.xml
|genus=Thalictrum
|section=Thalictrum sect. Heterogamia
|species=Thalictrum polycarpum
}}<!--

-->[[Category:Treatment]][[Category:Thalictrum sect. Heterogamia]]