Accepted name: 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: (1997). Ranunculaceae. In: . 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.