FNA>Volume Importer |
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| − | --><span class="statement" id="st-d0_s0" data-properties="root texture"><b>Roots </b>fibrous.</span> <span class="statement" id="st-d0_s1" data-properties="stem some measurement;stem orientation;stem arrangement;stem arrangement;stem quantity;rhizome height or length or size;rhizome orientation;rhizome architecture"><b>Stems </b>14-50 cm, arising singly or in dense clusters of 2-3 from short, horizontal, fibrous-rooted rhizomes.</span> <span class="statement" id="st-d0_s2" data-properties="leaf position;leaf position;leaf architecture"><b>Leaves </b>basal and cauline, petiolate.</span> <span class="statement" id="st-d0_s3" data-properties="leaf-blade architecture;cauline blade size;distalmost blade architecture"><b>Leaf-</b>blade ternately compound, cauline blades gradually reduced upward, distalmost 2-ternate;</span> <span class="statement" id="st-d0_s4" data-properties="leaflet shape;leaflet shape;leaflet architecture or shape;leaflet length;leaflet width;leaflet texture;surface pubescence;surface pubescence">leaflets broadly obovate, apically 3-toothed, otherwise undivided, 5-8 × 4-5 mm, leathery, surfaces glabrous, glaucous.</span> <span class="statement" id="st-d0_s5" data-properties="inflorescence position or structure subtype;panicle quantity;panicle architecture"><b>Inflorescences </b>terminal, panicles, many flowered.</span> <span class="statement" id="st-d0_s6" data-properties="sepal quantity;sepal coloration;sepal coloration;sepal coloration;sepal some measurement"><b>Flowers:</b> sepals 4, color unknown, lanceolate to ovate, 2-3 mm;</span> <span class="statement" id="st-d0_s7" data-properties="filament coloration;filament some measurement">filaments brownish, 2-3 mm;</span> <span class="statement" id="st-d0_s8" data-properties="anther some measurement;anther architecture or shape">anthers 2-3 mm, apiculate;</span> <span class="statement" id="st-d0_s9" data-properties="">stigma color unknown.</span> <span class="statement" id="st-d0_s10" data-properties="achene atypical quantity;achene quantity;achene orientation;achene architecture"><b>Achenes </b>4-5 (-6), not reflexed, nearly sessile;</span> <span class="statement" id="st-d0_s11" data-properties="stipe some measurement">stipe 0.1-0.2 mm;</span> <span class="statement" id="st-d0_s12" data-properties="body shape;body shape;body some measurement;body pubescence;body pubescence;body architecture;vein arrangement;vein architecture;vein course;vein architecture or coloration or relief">body oblique-obovate, strongly laterally compressed, 4-5 mm, glabrous, glaucous, prominently 3-veined on each side, veins converging near apex, rarely branched or sinuous, not anastomosing-reticulate;</span> <span class="statement" id="st-d0_s13" data-properties="beak some measurement">beak ca. 1.5 mm.</span><!-- | + | --><span class="statement" id="st-undefined" data-properties=""><b>Roots </b>fibrous. <b>Stems</b> 14-50 cm, arising singly or in dense clusters of 2-3 from short, horizontal, fibrous-rooted rhizomes. <b>Leaves</b> basal and cauline, petiolate. <b>Leaf</b> blade ternately compound, cauline blades gradually reduced upward, distalmost 2-ternate; leaflets broadly obovate, apically 3-toothed, otherwise undivided, 5-8 × 4-5 mm, leathery, surfaces glabrous, glaucous. <b>Inflorescences</b> terminal, panicles, many flowered. <b>Flowers</b>: sepals 4, color unknown, lanceolate to ovate, 2-3 mm; filaments brownish, 2-3 mm; anthers 2-3 mm, apiculate; stigma color unknown. <b>Achenes</b> 4-5(-6), not reflexed, nearly sessile; stipe 0.1-0.2 mm; body oblique-obovate, strongly laterally compressed, 4-5 mm, glabrous, glaucous, prominently 3-veined on each side, veins converging near apex, rarely branched or sinuous, not anastomosing-reticulate; beak ca. 1.5 mm.</span><!-- |
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| | |publication year=1983 | | |publication year=1983 |
| | |special status=Conservation concern;Endemic;Selected by author to be illustrated | | |special status=Conservation concern;Endemic;Selected by author to be illustrated |
| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/287ef3db526bd807d435a3c7423ef2df1e951227/V3/V3_948.xml | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V3/V3_948.xml |
| | |genus=Thalictrum | | |genus=Thalictrum |
| | |section=Thalictrum sect. Heterogamia | | |section=Thalictrum sect. Heterogamia |
| | |species=Thalictrum heliophilum | | |species=Thalictrum heliophilum |
| − | |achene architecture=sessile
| |
| − | |achene atypical quantity=5;6
| |
| − | |achene orientation=not reflexed
| |
| − | |achene quantity=4;5
| |
| − | |anther architecture or shape=apiculate
| |
| − | |anther some measurement=2mm;3mm
| |
| − | |beak some measurement=1.5
| |
| − | |body architecture=3-veined
| |
| − | |body pubescence=glaucous;glabrous
| |
| − | |body shape=compressed;oblique-obovate
| |
| − | |body some measurement=4mm;5mm
| |
| − | |cauline blade size=reduced
| |
| − | |distalmost blade architecture=2-ternate
| |
| − | |filament coloration=brownish
| |
| − | |filament some measurement=2mm;3mm
| |
| − | |inflorescence position or structure subtype=terminal
| |
| − | |leaf architecture=petiolate
| |
| − | |leaf position=cauline;basal
| |
| − | |leaf-blade architecture=compound
| |
| − | |leaflet architecture or shape=undivided
| |
| − | |leaflet length=5mm;8mm
| |
| − | |leaflet shape=3-toothed;obovate
| |
| − | |leaflet texture=leathery
| |
| − | |leaflet width=4mm;5mm
| |
| − | |panicle architecture=flowered
| |
| − | |panicle quantity=many
| |
| − | |rhizome architecture=fibrous-rooted
| |
| − | |rhizome height or length or size=short
| |
| − | |rhizome orientation=horizontal
| |
| − | |root texture=fibrous
| |
| − | |sepal coloration=lanceolate;ovate
| |
| − | |sepal quantity=4
| |
| − | |sepal some measurement=2mm;3mm
| |
| − | |stem arrangement=in dense clusters;singly
| |
| − | |stem orientation=arising
| |
| − | |stem quantity=2;3
| |
| − | |stem some measurement=14cm;50cm
| |
| − | |stipe some measurement=0.1mm;0.2mm
| |
| − | |surface pubescence=glaucous;glabrous
| |
| − | |vein architecture=branched
| |
| − | |vein architecture or coloration or relief=not anastomosing-reticulate
| |
| − | |vein arrangement=converging
| |
| − | |vein course=sinuous
| |
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| | -->[[Category:Treatment]][[Category:Thalictrum sect. Heterogamia]] | | -->[[Category:Treatment]][[Category:Thalictrum sect. Heterogamia]] |
Roots fibrous. Stems 14-50 cm, arising singly or in dense clusters of 2-3 from short, horizontal, fibrous-rooted rhizomes. Leaves basal and cauline, petiolate. Leaf blade ternately compound, cauline blades gradually reduced upward, distalmost 2-ternate; leaflets broadly obovate, apically 3-toothed, otherwise undivided, 5-8 × 4-5 mm, leathery, surfaces glabrous, glaucous. Inflorescences terminal, panicles, many flowered. Flowers: sepals 4, color unknown, lanceolate to ovate, 2-3 mm; filaments brownish, 2-3 mm; anthers 2-3 mm, apiculate; stigma color unknown. Achenes 4-5(-6), not reflexed, nearly sessile; stipe 0.1-0.2 mm; body oblique-obovate, strongly laterally compressed, 4-5 mm, glabrous, glaucous, prominently 3-veined on each side, veins converging near apex, rarely branched or sinuous, not anastomosing-reticulate; beak ca. 1.5 mm.
Phenology: Flowering summer–summer (Jun–Aug).
Habitat: Decomposing shale of Green River Formation
Elevation: 2500 m
Discussion
Of conservation concern.
In a genus of primarily mesophytic plants, Thalictrum heliophilum is notable for its relatively xeric habitat. Known only from Garfield and Rio Blanco counties, northwestern Colorado, it is similar to the widespread T. fendleri; it may be distinguished by its smaller, leathery, glaucous leaflets and fewer achenes.
Selected References
None.
