Thalictrum thalictroides
anemone meadow-rue, rue-anemone, windflower
black, tuberous.
erect, scapose, 10-30 cm, glabrous.
blade 2x-ternately compound;
leaflets widely ovate or obovate to nearly rotund, apically 3-lobed, 8-30 mm wide, surfaces glabrous.
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.
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.
(4-)8-12(-15), short-stipitate;
stipe 0.1-0.4 mm;
body ovoid to fusiform, 3-4.5 mm, prominently 8-10-veined.
Thalictrum thalictroides
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).
(Discussion copyrighted by Flora of North America; reprinted with permission.)
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