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| − | --><span class="statement" id="st-d0_s0" data-properties="stem orientation;stem some measurement;stem pubescence"><b>Stems </b>erect, 20-50 cm, glabrous, from rhizomes.</span> <span class="statement" id="st-d0_s1" data-properties="leaf position;leaf position"><b>Leaves </b>basal and cauline;</span> <span class="statement" id="st-d0_s2" data-properties="cauline leaf quantity;cauline leaf position;inflorescence architecture;panicle branch architecture">cauline 1-3, those proximal to inflorescence petiolate, those subtending panicle branches sessile.</span> <span class="statement" id="st-d0_s3" data-properties="leaf-blade architecture"><b>Leaf-</b>blade 3-4×-ternately compound;</span> <span class="statement" id="st-d0_s4" data-properties="leaflet shape;leaflet shape;leaflet shape;leaflet shape;leaflet some measurement;lobe margin shape;surface pubescence;surface pubescence">leaflets obovate to orbiculate, apically 3-5-lobed, 5-20 mm, lobe margins crenate, surfaces abaxially glabrous or glandular-puberulent.</span> <span class="statement" id="st-d0_s5" data-properties="inflorescence position or structure subtype;panicle size or width;panicle density;panicle quantity;panicle architecture"><b>Inflorescences </b>terminal, panicles, narrow and dense, many flowered.</span> <span class="statement" id="st-d0_s6" data-properties="sepal coloration;sepal shape;sepal shape;sepal shape;sepal shape;sepal shape;sepal some measurement"><b>Flowers:</b> sepals greenish white, lanceolate or broadly ovate to elliptic or obovate, 2-4 mm;</span> <span class="statement" id="st-d0_s7" data-properties="filament coloration;filament coloration;filament atypical some measurement;filament some measurement">filaments colored, not white, (1.8-) 3-5.5 mm;</span> <span class="statement" id="st-d0_s8" data-properties="anther some measurement;anther shape;anther shape;anther shape">anthers 2-3.5 mm, blunt to mucronate;</span> <span class="statement" id="st-d0_s9" data-properties="stigma coloration">stigma commonly yellowish.</span> <span class="statement" id="st-d0_s10" data-properties="achene quantity;achene orientation;achene orientation;achene orientation;achene orientation;achene architecture"><b>Achenes </b>5-17, erect to spreading, not reflexed, nearly sessile;</span> <span class="statement" id="st-d0_s11" data-properties="stipe some measurement">stipe 0.1-0.3 mm;</span> <span class="statement" id="st-d0_s12" data-properties="body course;body shape;body shape;body shape;body shape;adaxial surface atypical some measurement;adaxial surface some measurement;adaxial surface pubescence;adaxial surface pubescence;adaxial surface pubescence;vein fusion;vein architecture or coloration or relief">body often distinctly curved, elliptic-oblong, nearly terete to slightly flattened, adaxial surface 3-4 (-6) mm, glabrous to glandular, veins distinct, not anastomosing-reticulate;</span> <span class="statement" id="st-d0_s13" data-properties="beak atypical some measurement;beak some measurement">beak 1.5-2.5 (-3) mm.</span><!-- | + | --><span class="statement" id="st-undefined" data-properties=""><b>Stems </b>erect, 20-50 cm, glabrous, from rhizomes. <b>Leaves</b> basal and cauline; cauline 1-3, those proximal to inflorescence petiolate, those subtending panicle branches sessile. <b>Leaf</b> blade 3-4×-ternately compound; leaflets obovate to orbiculate, apically 3-5-lobed, 5-20 mm, lobe margins crenate, surfaces abaxially glabrous or glandular-puberulent. <b>Inflorescences</b> terminal, panicles, narrow and dense, many flowered. <b>Flowers</b>: sepals greenish white, lanceolate or broadly ovate to elliptic or obovate, 2-4 mm; filaments colored, not white, (1.8-)3-5.5 mm; anthers 2-3.5 mm, blunt to mucronate; stigma commonly yellowish. <b>Achenes</b> 5-17, erect to spreading, not reflexed, nearly sessile; stipe 0.1-0.3 mm; body often distinctly curved, elliptic-oblong, nearly terete to slightly flattened, adaxial surface 3-4(-6) mm, glabrous to glandular, veins distinct, not anastomosing-reticulate; beak 1.5-2.5(-3) mm.</span><!-- |
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| | |publication year=1886 | | |publication year=1886 |
| | |special status=Endemic | | |special status=Endemic |
| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/287ef3db526bd807d435a3c7423ef2df1e951227/V3/V3_1164.xml | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V3/V3_1164.xml |
| | |genus=Thalictrum | | |genus=Thalictrum |
| | |section=Thalictrum sect. Heterogamia | | |section=Thalictrum sect. Heterogamia |
| | |species=Thalictrum venulosum | | |species=Thalictrum venulosum |
| − | |achene architecture=sessile
| |
| − | |achene orientation=not reflexed;erect;spreading
| |
| − | |achene quantity=5;17
| |
| − | |adaxial surface atypical some measurement=4mm;6mm
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| − | |adaxial surface pubescence=glabrous;glandular
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| − | |adaxial surface some measurement=3mm;4mm
| |
| − | |anther shape=blunt;mucronate
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| − | |anther some measurement=2mm;3.5mm
| |
| − | |beak atypical some measurement=2.5mm;3mm
| |
| − | |beak some measurement=1.5mm;2.5mm
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| − | |body course=curved
| |
| − | |body shape=nearly terete;slightly flattened
| |
| − | |cauline leaf position=proximal
| |
| − | |cauline leaf quantity=1;3
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| − | |filament atypical some measurement=1.8mm;3mm
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| − | |filament coloration=not white;colored
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| − | |filament some measurement=3mm;5.5mm
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| − | |inflorescence architecture=petiolate
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| − | |inflorescence position or structure subtype=terminal
| |
| − | |leaf position=cauline;basal
| |
| − | |leaf-blade architecture=compound
| |
| − | |leaflet shape=3-5-lobed;obovate;orbiculate
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| − | |leaflet some measurement=5mm;20mm
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| − | |lobe margin shape=crenate
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| − | |panicle architecture=flowered
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| − | |panicle branch architecture=sessile
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| − | |panicle density=dense
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| − | |panicle quantity=many
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| − | |panicle size or width=narrow
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| − | |sepal coloration=greenish white
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| − | |sepal shape=broadly ovate;elliptic or obovate
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| − | |sepal some measurement=2mm;4mm
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| − | |stem orientation=erect
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| − | |stem pubescence=glabrous
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| − | |stem some measurement=20cm;50cm
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| − | |stigma coloration=yellowish
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| − | |stipe some measurement=0.1mm;0.3mm
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| − | |surface pubescence=glandular-puberulent;glabrous
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| − | |vein architecture or coloration or relief=not anastomosing-reticulate
| |
| − | |vein fusion=distinct
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| | -->[[Category:Treatment]][[Category:Thalictrum sect. Heterogamia]] | | -->[[Category:Treatment]][[Category:Thalictrum sect. Heterogamia]] |
Stems erect, 20-50 cm, glabrous, from rhizomes. Leaves basal and cauline; cauline 1-3, those proximal to inflorescence petiolate, those subtending panicle branches sessile. Leaf blade 3-4×-ternately compound; leaflets obovate to orbiculate, apically 3-5-lobed, 5-20 mm, lobe margins crenate, surfaces abaxially glabrous or glandular-puberulent. Inflorescences terminal, panicles, narrow and dense, many flowered. Flowers: sepals greenish white, lanceolate or broadly ovate to elliptic or obovate, 2-4 mm; filaments colored, not white, (1.8-)3-5.5 mm; anthers 2-3.5 mm, blunt to mucronate; stigma commonly yellowish. Achenes 5-17, erect to spreading, not reflexed, nearly sessile; stipe 0.1-0.3 mm; body often distinctly curved, elliptic-oblong, nearly terete to slightly flattened, adaxial surface 3-4(-6) mm, glabrous to glandular, veins distinct, not anastomosing-reticulate; beak 1.5-2.5(-3) mm.
Phenology: Flowering early summer-mid summer (Jun–Aug).
Habitat: Prairies, riparian woods, and coniferous, deciduous, and mixed forests
Elevation: 600-3700 m
Distribution
Alta., B.C., Man., N.W.T., Ont., Que., Sask., Yukon, Colo., Idaho, Minn., Mont., Nebr., Nev., N.Mex., N.Dak., Oreg., S.Dak., Utah, Wash., Wis., Wyo.
Discussion
Thalctrum venulosum is similar to T. confine and T. occidentale. Careful field studies are needed to clarify the relationships among these taxa.
Selected References
None.
