This section is from the book "An Illustrated Flora Of The Northern United States, Canada And The British Possessions Vol2", by Nathaniel Lord Britton, Addison Brown. Also available from Amazon: An Illustrated Flora of the Northern United States, Canada and the British Possessions. 3 Volume Set..
Tall erect perennial herbs, with large palmately-lobed leaves, those of the stem distant. Sepals 3-5, concave, caducous. Petals none. Carpels ∞, 1-ovuled. Achenes capitate, sharply angular, inflated, tipped with the minute styles. Embryo large. Flowers small, white, corymbosely paniculate. [In honor of Prof. Trautvetter, a Russian botanist.]
A monotypic genus of North America and eastern Asia.
Trautvetteria palmata F. & M. Ind. Sem. Petr. 1: 22.
1834. Trautvetteria carolinensis Vail, Mem. Torr. Club 2:
T. applanata Greene, Leaflets 2: 191. 1912.
Stout, 2°-3° high, branching, nearly glabrous, except the lower surfaces of the leaves. Basal leaves long-petioled, 6'-8' broad, 4'-5' long, deeply 5-11-lobed, the lobes acute and sharply dentate; panicle ample, the flowers 3"-6" broad, borne in cymose clusters at the ends of its branches; filaments slender, slightly widened; anthers oblong.