Actaea simplex

Plant generally growing to 1 m or so tall. Leaves divided 2-3 times into 3 segments, the terminal segments ovate. Flower clusters generally branching at the base; summer to autumn. Flowers with basal bracts and bracteoles (sometimes minute or absent). Carpels 3-7, stalked.

Siberia, E Russia

Source: Spencer, R. (1997). Ranunculaceae. In: Spencer, R.. Horticultural Flora of South-eastern Australia. Volume 2. Flowering plants. Dicotyledons. Part 1. The identification of garden and cultivated plants. University of New South Wales Press. (as Cimicifuga simplex)

kingdom Plantae
phylum   Tracheophyta
class    Magnoliopsida
superorder     Ranunculanae
order      Ranunculales
family       Ranunculaceae
genus        Actaea