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| − | --><span class="statement" id="st-d0_s0" data-properties="root coloration;root architecture"><b>Roots </b>bright-yellow, tuberous.</span> <span class="statement" id="st-d0_s1" data-properties="stem orientation;stem relief;stem some measurement;stem pubescence"><b>Stems </b>erect, coarse, 65-150 cm, glabrous.</span> <span class="statement" id="st-d0_s2" data-properties="leaf position"><b>Leaves </b>cauline;</span> <span class="statement" id="st-d0_s3" data-properties="leaf petiole development;stem architecture or fixation;distal leaf architecture;distal leaf architecture">petioles of proximal leaves well developed, clasping stem, distal leaves sessile or nearly so.</span> <span class="statement" id="st-d0_s4" data-properties="leaf-blade architecture"><b>Leaf-</b>blade 1-4×-ternately compound;</span> <span class="statement" id="st-d0_s5" data-properties="leaflet shape;leaflet shape;leaflet shape;leaflet shape;leaflet shape;leaflet shape;leaflet shape;leaflet shape;leaflet shape;leaflet shape;leaflet shape;leaflet shape;leaflet width;lobe margin shape;surface pubescence;surface pubescence">leaflets reniform or obovate to orbiculate, apically 3-9-lobed or toothed, 10-75 mm wide, lobe margins crenate, surfaces abaxially glabrous or glandular.</span> <span class="statement" id="st-d0_s6" data-properties="inflorescences panicle shape;inflorescences panicle architecture;inflorescences panicle quantity;inflorescences panicle architecture"><b>Inflorescences </b>panicles, pyramidal, loosely branched, many flowered.</span> <span class="statement" id="st-d0_s7" data-properties="sepal coloration;sepal coloration;sepal coloration;sepal shape;sepal some measurement"><b>Flowers:</b> sepals white to purplish, lanceolate-ovate, 1.5-5.5 mm;</span> <span class="statement" id="st-d0_s8" data-properties="filament coloration;filament some measurement">filaments maroon, 4-4.5 mm;</span> <span class="statement" id="st-d0_s9" data-properties="anther some measurement;anther architecture or shape;anther architecture">anthers 2-5.5 mm, apiculate, subulate-tipped;</span> <span class="statement" id="st-d0_s10" data-properties="stigma coloration">stigma maroon.</span> <span class="statement" id="st-d0_s11" data-properties="achene quantity;achene orientation;achene orientation;achene architecture"><b>Achenes </b>3-15, erect, not reflexed, stipitate;</span> <span class="statement" id="st-d0_s12" data-properties="stipe shape;stipe some measurement">stipe ± wing-angled, 0.7-2.5 mm;</span> <span class="statement" id="st-d0_s13" data-properties="body shape;body shape;body shape;body shape;body some measurement;body architecture;body architecture;vein architecture">body obliquely ovoid to ellipsoid, not laterally compressed, 3-6.5 mm, strongly veined or ribbed, veins not anastomosing;</span> <span class="statement" id="st-d0_s14" data-properties="beak some measurement">beak 1.5-3 mm.</span><!-- | + | --><span class="statement" id="st-undefined" data-properties=""><b>Roots </b>bright yellow, tuberous. <b>Stems</b> erect, coarse, 65-150 cm, glabrous. <b>Leaves</b> cauline; petioles of proximal leaves well developed, clasping stem, distal leaves sessile or nearly so. <b>Leaf</b> blade 1-4×-ternately compound; leaflets reniform or obovate to orbiculate, apically 3-9-lobed or toothed, 10-75 mm wide, lobe margins crenate, surfaces abaxially glabrous or glandular. <b>Inflorescences</b> panicles, pyramidal, loosely branched, many flowered. <b>Flowers</b>: sepals white to purplish, lanceolate-ovate, 1.5-5.5 mm; filaments maroon, 4-4.5 mm; anthers 2-5.5 mm, apiculate, subulate-tipped; stigma maroon. <b>Achenes</b> 3-15, erect, not reflexed, stipitate; stipe ± wing-angled, 0.7-2.5 mm; body obliquely ovoid to ellipsoid, not laterally compressed, 3-6.5 mm, strongly veined or ribbed, veins not anastomosing; beak 1.5-3 mm.</span><!-- |
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| | |publication year=1893 | | |publication year=1893 |
| | |special status=Endemic | | |special status=Endemic |
| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/287ef3db526bd807d435a3c7423ef2df1e951227/V3/V3_77.xml | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V3/V3_77.xml |
| | |genus=Thalictrum | | |genus=Thalictrum |
| | |section=Thalictrum sect. Heterogamia | | |section=Thalictrum sect. Heterogamia |
| | |species=Thalictrum coriaceum | | |species=Thalictrum coriaceum |
| − | |achene architecture=stipitate
| |
| − | |achene orientation=not reflexed;erect
| |
| − | |achene quantity=3;15
| |
| − | |anther architecture=subulate-tipped
| |
| − | |anther architecture or shape=apiculate
| |
| − | |anther some measurement=2mm;5.5mm
| |
| − | |beak some measurement=1.5mm;3mm
| |
| − | |body architecture=ribbed;veined
| |
| − | |body shape=compressed;obliquely ovoid;ellipsoid
| |
| − | |body some measurement=3mm;6.5mm
| |
| − | |distal leaf architecture=nearly;sessile
| |
| − | |filament coloration=maroon
| |
| − | |filament some measurement=4mm;4.5mm
| |
| − | |inflorescences panicle architecture=flowered;branched
| |
| − | |inflorescences panicle quantity=many
| |
| − | |inflorescences panicle shape=pyramidal
| |
| − | |leaf petiole development=developed
| |
| − | |leaf position=cauline
| |
| − | |leaf-blade architecture=compound
| |
| − | |leaflet shape=obovate;orbiculate apically 3-9-lobed or toothed
| |
| − | |leaflet width=10mm;75mm
| |
| − | |lobe margin shape=crenate
| |
| − | |root architecture=tuberous
| |
| − | |root coloration=bright-yellow
| |
| − | |sepal coloration=white;purplish
| |
| − | |sepal shape=lanceolate-ovate
| |
| − | |sepal some measurement=1.5mm;5.5mm
| |
| − | |stem architecture or fixation=clasping
| |
| − | |stem orientation=erect
| |
| − | |stem pubescence=glabrous
| |
| − | |stem relief=coarse
| |
| − | |stem some measurement=65cm;150cm
| |
| − | |stigma coloration=maroon
| |
| − | |stipe shape=wing-angled
| |
| − | |stipe some measurement=0.7mm;2.5mm
| |
| − | |surface pubescence=glandular;glabrous
| |
| − | |vein architecture=not anastomosing
| |
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| | -->[[Category:Treatment]][[Category:Thalictrum sect. Heterogamia]] | | -->[[Category:Treatment]][[Category:Thalictrum sect. Heterogamia]] |
Roots bright yellow, tuberous. Stems erect, coarse, 65-150 cm, glabrous. Leaves cauline; petioles of proximal leaves well developed, clasping stem, distal leaves sessile or nearly so. Leaf blade 1-4×-ternately compound; leaflets reniform or obovate to orbiculate, apically 3-9-lobed or toothed, 10-75 mm wide, lobe margins crenate, surfaces abaxially glabrous or glandular. Inflorescences panicles, pyramidal, loosely branched, many flowered. Flowers: sepals white to purplish, lanceolate-ovate, 1.5-5.5 mm; filaments maroon, 4-4.5 mm; anthers 2-5.5 mm, apiculate, subulate-tipped; stigma maroon. Achenes 3-15, erect, not reflexed, stipitate; stipe ± wing-angled, 0.7-2.5 mm; body obliquely ovoid to ellipsoid, not laterally compressed, 3-6.5 mm, strongly veined or ribbed, veins not anastomosing; beak 1.5-3 mm.
Phenology: Flowering mid spring–late spring (late May–Jun).
Habitat: Rocky or mesic, open, deciduous woods, thickets, and moist alluvium, chiefly in mountains and piedmont
Elevation: 3-1100 m
Distribution
D.C., Ky., Md., N.C., Pa., Tenn., Va., W.Va.
Discussion
Glandular plants of Thalictrum coriaceum have often been misidentified as T. revolutum despite important differences in the leaflets, the latter having entire rather than crenate lobe margins.
Studies by M. Park and L. Morse (unpubl.) for The Nature Conservancy confirmed that Thalictrum steeleanum is highly variable in all allegedly diagnostic characters and is not distinct from T. coriaceum.
Selected References
None.
