Difference between revisions of "Thalictrum thalictroides"
Bull. Soc. Roy. Bot. Belgique 89: 319. 1957.
Common names: Rue-anemone windflower
EndemicSelected by author to be illustrated
Basionym: Species Linnaeus
Synonyms: Species (Linnaeus) SpachSpecies (Linnaeus) HoffmannseggSpecies Michaux
Treatment appears in FNA Volume 3.
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| − | --><span class="statement" id="st- | + | --><span class="statement" id="st-undefined" data-properties=""><b>Roots </b>black, tuberous. <b>Stems</b> erect, scapose, 10-30 cm, glabrous. <b>Leaves</b> basal; petiole 10-30 cm. <b>Leaf</b> blade 2×-ternately compound; leaflets widely ovate or obovate to nearly rotund, apically 3-lobed, 8-30 mm wide, surfaces glabrous. <b>Inflorescences</b> umbels or flowers solitary, (1-)3-6-flowered; involucral bracts usually 3-foliolate, petiolate and opposite, or sessile with leaflets appearing to be whorls of 6 petiolate leaves, otherwise similar to basal leaves. <b>Flowers</b>: sepals not caducous, white to pinkish, showy, elliptic to obovate, 5-18 mm, longer than stamens; filaments narrowly clavate, 3-4 mm; anthers 0.4-0.7 mm. <b>Achenes</b> (4-)8-12(-15), short-stipitate; stipe 0.1-0.4 mm; body ovoid to fusiform, 3-4.5 mm, prominently 8-10-veined.</span><!-- |
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|publication year=1957 | |publication year=1957 | ||
|special status=Endemic;Selected by author to be illustrated | |special status=Endemic;Selected by author to be illustrated | ||
| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna- | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V3/V3_227.xml |
|genus=Thalictrum | |genus=Thalictrum | ||
|section=Thalictrum sect. Anemonella | |section=Thalictrum sect. Anemonella | ||
|species=Thalictrum thalictroides | |species=Thalictrum thalictroides | ||
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Revision as of 13:36, 27 July 2019
Roots black, tuberous. Stems erect, scapose, 10-30 cm, glabrous. Leaves basal; petiole 10-30 cm. Leaf blade 2×-ternately compound; leaflets widely ovate or obovate to nearly rotund, apically 3-lobed, 8-30 mm wide, surfaces glabrous. Inflorescences umbels or flowers solitary, (1-)3-6-flowered; involucral bracts usually 3-foliolate, petiolate and opposite, or sessile with leaflets appearing to be whorls of 6 petiolate leaves, otherwise similar to basal leaves. Flowers: sepals not caducous, white to pinkish, showy, elliptic to obovate, 5-18 mm, longer than stamens; filaments narrowly clavate, 3-4 mm; anthers 0.4-0.7 mm. Achenes (4-)8-12(-15), short-stipitate; stipe 0.1-0.4 mm; body ovoid to fusiform, 3-4.5 mm, prominently 8-10-veined.
Phenology: Flowering spring (Mar–Jun).
Habitat: Deciduous woods, banks, and thickets
Elevation: 0-300 m
Distribution
Ont., Ala., Ark., Conn., Del., D.C., Fla., Ga., Ill., Ind., Iowa, Kans., Ky., La., Maine, Mass., Mich., Minn., Miss., Mo., N.H., N.J., N.Y., N.C., Ohio, Okla., Pa., R.I., S.C., Tenn., Vt., Va., W.Va., Wis.
Discussion
In Thalictrum, T. thalictroides is unique in having umbelliform inflorescences and is therefore easy to identify. Based on this one distinction, many botanists still place it in the genus Anemonella. The leaflets, flowers, and fruits, however, are not unlike those of Thalictrum.
The Cherokee used infusions prepared from the roots of Thalictrum thalictroides to treat diarrhea and vomiting (D. E. Moerman 1986).
Selected References
None.
Lower Taxa
None.