View source for Thalictrum arkansanum

{{Treatment/ID
|accepted_name=Thalictrum arkansanum
|accepted_authority=B. Boivin
|publications={{Treatment/Publication
|title=Rhodora
|place=46: 433. 1944
|year=1944
}}
|special_status={{Treatment/ID/Special_status
|code=C
|label=Conservation concern
}}{{Treatment/ID/Special_status
|code=E
|label=Endemic
}}
|basionyms=
|synonyms=
|hierarchy=Ranunculaceae;Thalictrum;Thalictrum sect. Heterogamia;Thalictrum arkansanum
|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 arkansanum]]</div></div>
|volume=Volume 3
|mention_page=
|treatment_page=
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Roots </b>brown, thick, tuberous. <b>Stems</b> decumbent, 20-40 cm, glabrous. <b>Leaves</b>: distal cauline long-petiolate. <b>Leaf</b> blade 1-3×-ternately compound; leaflets ovate to obovate to reniform or orbiculate, 3-(or more)-lobed, largest leaflets less than 15 mm wide, lobe margins crenate, surfaces glabrous. <b>Inflorescences</b> terminal, racemes, few flowered. <b>Flowers</b>: sepals whitish, ovate or elliptic, 0.9-2.8(-3) mm; filaments colored, 2-3 mm; anthers 1.8-2.3 mm, mucronate, tip 0.1-0.4 mm; stigma color unknown. <b>Achenes</b> few, not reflexed, nearly sessile; stipe 0.1-0.3 mm; body ellipsoid to oblong, 3.5-4.5 × 1.5-2 mm, glabrous, veins 10-12, not anastomosing-reticulate; beak (1.3-)2.3-3 mm.</span><!--

-->{{Treatment/Body
|phenology=Flowering early spring (Mar–Apr).
|habitat=Wet bottomland forest, sometimes upland woods
|elevation=20-150 m
|distribution=Ark.;Okla.;Tex.
|discussion=<p>Of conservation concern.</p><!--
--><p>Poorly known, <i>Thalictrum arkansanum</i> is closely related to <i>T. texanum</i> and <i>T. debile</i>; it possibly should be considered as a variety of the latter.</p>
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Thalictrum arkansanum
|author=
|authority=B. Boivin
|rank=species
|parent rank=section
|synonyms=
|basionyms=
|family=Ranunculaceae
|phenology=Flowering early spring (Mar–Apr).
|habitat=Wet bottomland forest, sometimes upland woods
|elevation=20-150 m
|distribution=Ark.;Okla.;Tex.
|reference=None
|publication title=Rhodora
|publication year=1944
|special status=Conservation concern;Endemic
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/8f726806613d60c220dc4493de13607dd3150896/coarse_grained_fna_xml/V3/V3_907.xml
|genus=Thalictrum
|section=Thalictrum sect. Heterogamia
|species=Thalictrum arkansanum
}}<!--

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