Show Lower Taxa
Thalictrum sect. Physocarpum
Syst. Nat. 1: 171. 1817.
Basionym: Undefined sect. Physocarpum (de Candolle) Berchtold & J. Presl
Synonyms: Undefined sect. Sumnera Nieuwland
Treatment appears in FNA Volume 3.
Inflorescenes panicles to nearly corymbs. Flowers bisexual; sepals 5; filaments strongly clavate, petaloid. Achenes long-stipitate.
Distribution
Temperate regions, North America, e Asia.
Discussion
Species 45 (2 in the flora).
Selected References
None.