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.

19 Trautvett ria F M Ind Sem Petr 1 22 1834 236

1. Trautvetteria Carolinensis (Walt.) Vail. False Bugbane

Fig. 1894

Hydrastis carolinensis Walt. Fl. Car. 156. 1788. Cimicifuga palmata Michx. Fl. Bor. Am. 1:316. 1803.

Trautvetteria palmata F. & M. Ind. Sem. Petr. 1: 22.

1834. Trautvetteria carolinensis Vail, Mem. Torr. Club 2:

42. 1890.

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.

Southwestern Pennsylvania to the mountains of Virginia and Kentucky, south to Florida, west to Indiana and Missouri. Ascends to 6000 ft. in North Carolina. June-July.